Retekess TR110 Wide Frequency Radio Receiver

Introduction

Thank you for purchasing the RETEKESS TR110 radio receiver. The RETEKESS TR110 is a full-band digital tuning radio receiver. This entry-level radio is designed for radio enthusiasts and also serves as a supplementary receiver for outdoor enthusiasts (VHF / UHF radio reception). It can provide flight information for frequent flyers. Please read this manual carefully before use and keep it for future reference.

Overview of the RETEKESS TR110 Full-Band Radio Receiver

This is a wide-frequency radio with digital tuning; it can receive FM (Frequency Modulation) / MW (Medium Wave) / SW (Shortwave).

• It supports Single Sideband (SSB) / Upper Sideband (USB) / Lower Sideband (LSB) / AIR (Aircraft band) / CB (Citizens Band) / VHF (Very High Frequency band) / UHF (Ultra High Frequency band) / UBD (User Defined band) / WX (North American National Weather band).
• This radio is compact and portable, featuring powerful functions.
• The full-band radio uses modern DSP digital demodulation technology, which improves receiving sensitivity, selectivity, and anti-interference capabilities.
• The FM reception range is 64 MHz-108 MHz, suitable for FM broadcasting and global FM radio reception.
• Single Sideband (SSB) and Lower Sideband (LSB) on the shortwave band can be received independently.
• Features three station selection methods: Automatic Tuning Storage (ATS), manual search of stored stations (VM), and manual station search (VF).
• Can display radio frequency addresses; automatically scan radio frequencies and pre-stored frequencies; high-speed scanning; shuttle tuning, shuttle step tuning (supports 10 Hz), adjustable step digit configuration (for quick frequency selection).
• The SET menu includes the following additional settings:
• A. Adjustable antenna input signal attenuation regulator (ATT).
• B. Adjustable bandwidth settings (BW).
• C. 9 levels of noise suppression can be adjusted (SQ).
• D. FM band emphasis selection (DE).
• Many step values for each waveband can be adjusted (STEP).
• Displays temperature in Celsius / Fahrenheit for night/dark areas.
• Supports automatic sleep timer and automatic startup timer settings, as well as lock and mute functions.
• Reception status can display the noise squelch ratio and receiver sensitivity reference value.
• The radio has a large memory capacity, capable of storing up to 1000 stations. The product supports manual deletion of stored stations.
• Supports external antenna input (3.5 mm).
• Can use an external speaker and a 3.5 mm headphone output.
• Features a built-in speaker and a USB Type-C charging port.
• Includes a removable 1000 mAh BL 5C lithium battery for long battery life.
• The device backlight is a warm orange light, suitable for use in night/dark environments.

Product Button Description

Top of the product:

1. Telescopic antenna connector.
2. 3.5 mm external antenna port.
3. 3.5 mm headphone jack.
4. Lanyard hole.

Front view:

1. 7-segment telescopic antenna.
2. Digital LED display.
3. Mode selection.
4. Turn on Alarm / Band Switch / Automatic station search and storage.
5. Set button for lock/mute.
6. Enter Menu/Settings for clock/alarm.
7. Station Save/Station Selection button.
8. Set step value/delete pre-stored station.
9. Select station+/time+.
10. Select station-/time-.
11. Volume +.
12. Volume -.
13. Loudspeaker.

Right and Back View Description

1. Tuning knob.
2. Type-C Charging Port.
3. Back clip.
4. Battery compartment cover.
5. Tips for closing the battery compartment cover.

Display Symbol Description

MODUL: Modulation mode switching display.

NFM: Narrowband FM mode.

AM: AM system.

LSB: Lower Sideband of Single Sideband.

SSB: Upper Sideband of Single Sideband.

STEREO: Stereo reception status in FM mode.

MONO: FM mono reception status.

2MIX: Secondary frequency conversion display.

BW: Bandwidth selection for each band.

ATT: Adjustable gain and attenuation regulator selection: LOCAL/DX.

VOL: Volume level (00 to 40).

SQ ON: In reception mode with noise suppression.

SQ OFF: In reception mode without noise suppression.

SNR: Signal-to-Noise Ratio.

PRESET: Pre-stored stations.

STEP: Step value setting display.

D: Tuning step indicator.

dB: SNR and reception sensitivity indicator.

℃: Temperature in Celsius.

F: Fahrenheit.

⛯: Thermometer.

⚡: Charging indicator.

?: Battery charge indicator.

⏰: Alarm setting indicator.

⏏: Indicator for setting sleep timer and shutdown.

?: Locked status.

FM: Frequency modulation reception mode.

CB: Citizens Band reception mode.

MW: Medium Wave reception mode.

SW: Shortwave reception mode.

AIR: Aviation band reception mode.

WX: Weather band reception mode.

VHF: Very High Frequency mode.

UHF: Ultra High Frequency mode.

UBD: Adjustable input frequency mode.

ALERT: Alarm signal indicator.

De-emphasis: 50uS / 75Us: Display without emphasis.

EXT-ANT: External antenna indicator.

PRECAUTIONS FOR USE

Before using this radio receiver, please ensure you follow these basic safety tips to ensure safe and reliable use of the product.

• Read and understand all safety recommendations and usage information.
• It is recommended to use the original lithium battery.
• It is recommended to use a charger with an output voltage of DC5V / 1A-3A to avoid damaging the lithium battery or the device.
• If the lithium battery is not used for a long time, please remove it and store it separately. Charge it once a month.
• Do not expose the product to rain, moisture, dripping, or splashing of any liquid. Do not store the product near high-temperature sources; do not bake or dry it at high temperatures.
• Do not expose the product to direct sunlight for extended periods.
• Do not drop the product or subject it to impacts. Do not apply strong pressure.
• Note: Televisions, computers, generators, electric motors, and other electrical equipment, as well as other signal generators, can also cause interference with radio signals. Please maintain a certain distance from the above equipment when using them.
• The product's antenna is a seven-section telescopic antenna (extended length is 56 cm). It is relatively long. Please do not bend or break it.

Instructions for Functions and Button Operations

1. Install the Battery:

Open the battery compartment cover and correctly insert the BL 5C lithium battery according to its positive and negative polarity, then close the battery compartment cover. After the battery is installed, the radio's backlight will turn on and display the time.

2. [POWER] Power ON/OFF Timer / Sleep Mode Settings:

2.1. Power ON/OFF Function:

In time mode, press the power button to turn on the radio. When powered on, press and hold the power button to turn off the radio.

2.2. Sleep Timer Settings:

To activate the sleep timer, press and hold the [POWER] button for 2 seconds while the radio is off. The screen will display "90" minutes. Then, short press the [POWER] button to select the desired duration (90-80-70-60-50-40-30-20-10 minutes). After setting the sleep timer, a message will appear on the LCD. Note: The sleep timer will automatically turn off the radio after the set time.

2.3. Enable SNR and RSSI Function and Time Switch Display:

In the radio's operating state: short press [POWER] to activate the SNR & RSSI function and display the time switch. This is a reference value for SNR and reception sensitivity. Time status: 8.8.8.8

3. [LOCK (Lock)]: Set Lock, Unlock / Mute:

3.1. Lock and Unlock Settings:

In the radio's ON/OFF state, press and hold the [LOCK] button for 2 seconds. The display will show "?". You will then be unable to operate any buttons. Press and hold [LOCK] again for 2 seconds. When the "?" symbol disappears, all buttons can be operated.

3.2. Set Mute Mode:

In the radio's operating state, short press the [LOCK] button. The "VOL 00" symbol will flash on the display, and the radio will enter mute mode. In mute mode, short press [LOCK] to restore the current volume level; the mute function will be disabled.

4. Operation of External DC 5V Power Source:

When the battery symbol shows empty, please connect the Type-C charging cable (standard accessory: USB Type-C cable) to a DC 5V power source to charge the radio. The battery symbol "?" will flash during charging. The battery symbol will stop flashing and show full when the radio is fully charged.

5.3.5 mm Headphone Jack Operation:

While listening to radio programs, you can use the radio's built-in speaker or headphones with a 3.5 mm jack. (Use 3.5 mm headphones to avoid disturbing others).

6. Volume [Volume+/-]:

Short press [VOL +] and [VOL-] to increase or decrease the volume by 1 step. Long press the [VOL +] and [VOL-] buttons to quickly increase or decrease the volume. The adjustable volume range is 00-40 levels.

7. [MEMO (Memory)]: Manual Station Storage/Reception:

7.1: Manual Station Storage:

• Tune to the desired frequency by pressing [TUNE ↑ / ↓].
• Long press the [MEMO] button for 2 seconds. The preset and "Pxxx" symbols will flash simultaneously. (PRESET refers to the stored station, "Pxxx" refers to the storage address).
• Short press [MEMO] or simultaneously press [TUNE ↑ / ↓] to select the frequency address.
• Short press [MEMO]. After about 2 seconds, "Sxxx" will appear on the LCD, indicating that the target frequency has been stored.

Station Selection Methods

Each band can store 100 stations.

7.2: Station Selection Methods:

• You can either save a station using method 7.1 or long press a band to automatically search for stations.
• Short press [MEMO]. "PRESET" and "Pxxx" will be displayed on the LCD.
• Short press [TUNE ↑ / ↓] to get the frequency of the desired station address, and then you can receive the broadcast signal.

Note: If no operation is performed within 3 seconds, the selection operation will be terminated.

8. [TUNE ↑ / ↓]: Time Setting / Station Selection Button:

8.1: Time Settings:

In time mode: long press [SET] for 2 seconds, the hour number will flash; short press [TUNE ↑ / ↓] to set the current hour. Press the [SET] button, the minute number will flash, press [TUNE ↑ / ↓] to set the current minute. Note: Radio time is displayed in 24-hour format.

8.2: Alarm Settings (as indicated for automatic power-on):

Set the current time using method 8.1.

• Press [BAND]. The alarm symbol "⏰" will appear.
• Press [BAND] again. The alarm symbol will disappear, and the alarm time will be canceled.
• Long press [SET] for 2 seconds. The alarm hour "xx" will flash. Short press [TUNE ↑ / ↓] to set the hour. Press [SET]. The alarm minute "xx" will flash. Press [TUNE ↑ / ↓] to set the minute.

8.3. Station Selection Operation:

In radio operating state:

• If there are pre-stored stations, short press [MEMO]. "PRESET" and "Pxxx" will appear on the LCD.
• Press [MEMO] again to cancel the station selection operation. "PRESET" and "Pxxx" will disappear from the display.

Button Operations

Press the [TUNE ↑ / ↓] button to increase or decrease the radio station volume.

Long press [TUNE ↑ / ↓]. The radio will automatically enter station search mode. When a station is found, the search will stop, and the found station will start playing.

9. [BAND (Band)]: Band Switching / Automatic Station Search and Storage / Alarm ON/OFF:

9.1: Band Switch:

In radio operating state, press [BAND] to switch between FM/MW (AM)/SW/AIR/CB/VHF (UHF)/UBD/WX bands.

9.2: Automatic Station Search and Storage:

Long press [BAND] for 2 seconds to activate the automatic scanning and station storage function. The radio will search from the lowest to the highest frequency in the current band and store stations that have a signal. It will automatically play the first station after completing the automatic station search and storage. During automatic search, "PRESET" and "P x x x" will flash on the display, and the frequency will change rapidly. Note: Pressing any key during automatic search will stop the automatic search. Pre-stored stations will be updated during automatic search and storage.

9.3: In time mode: press the [BAND] button to turn the alarm ON/OFF (see section 8.2 for specific operations).

10. Set/Delete [STEP (Step)] Setting:

10.1 Set Step Value:

In radio operating state, press [STEP] to set the value. Detailed step parameters are available for each band:

• FM band step parameters: 50.0 kHz, 10.0 kHz, 100.0 kHz.
• AM frequency: 522-1710 kHz, step options: 9.0 kHz, 3.0 kHz.
• AM frequency: 520-1710 kHz, step options: 10.0 kHz, 5.0 kHz.
• SW band step parameters: 5.0 kHz, 1.00 kHz, 0.10 kHz, 0.02 kHz, 0.01 kHz.
• AIR band step parameters: 25.0 kHz, 12.5 kHz, 8.3 kHz.
• CB band step parameters: 5.00 kHz, 1.00 kHz, 0.10 kHz, 0.02 kHz, 0.01 kHz.

Once the step value is selected, the system will default to the last selected value. Press [TUNE ↑ / ↓] to confirm the selected step value.

10.2: Delete Station:

In radio operating state, after manually saving a station according to 7.1 or performing automatic search and storage according to 9.2:

• Press [Memo]. "PRESET" and "Pxxx" will be displayed on the LCD.
• Press [TUNE ↑ / ↓] to select the station you want to delete. Long press [STEP] for 2 seconds. "DEL & Exxx" will flash. Press [STEP] to delete the current station.
• Press [Memo]. "PRESET" and "Pxxx" will be displayed on the LCD. Press [TUNE ↑ / ↓] to select the station you want to delete. Long press [STEP] for 2 seconds. "DEL&Exxx" will flash. Press [STEP] to delete the current station.
• Press [STEP] within 5 seconds to delete the next pre-stored station.

If no action is taken within 5 seconds, the radio will exit station deletion mode. Alternatively, press [STEP] to exit the setting, and the PRESET letter "P" will be displayed.

11. Menu (Menu)/Clock Settings (Hours)

Time Setting:

In the power-off state, long press [SET] for 2 seconds, then press [SET], and then press "↑" or "↓" to set the hour (see section 8.1 for details). Press the [SET] button, the minute number will flash, press [TUNE ↑ / ↓] to set the current minute. Note: Radio time is displayed in 24-hour format.

11.2. In the radio's operating state, press [SET] to enter the menu settings (see section 14 for specific operations).

11.3. In the WX band, long press [SET] to activate the ALERT function. "SCAN" will flash. Long press [SET] to exit the alert function.

Note: SCAN indicates that WX is in the silent detection state of the NOAA alert. If an alert signal is received, an audible alarm or alert will be issued.

12. Tuning Knob:

In the radio's operating state: Turn the knob to adjust the bit values of the frequency display. When adjusting the value, the corresponding letter "▲" will flash. Press [STEP] to select the desired value. Turn the knob to quickly select the desired frequency.

13. [MODE] Setting:

13.1. In the radio's operating state, press [SET] to enter the setting mode, then press [MODE] to select the corresponding submenu functions.

13.2. In Shortwave (SW), Very High Frequency (VHF), and Aviation (AIR) bands:

In standby mode, press the [MODE] key to switch measurement band functions.

13.2.1: In Shortwave (SW) reception mode, press [MODE] to switch the measurement band, and the frequencies will be:

3.20000 MHz, 3.75000 MHz, 3.90000 MHz, 4.75000 MHz, 5.73000 MHz, 7.10000 MHz, 9.25000 MHz, 11.50000 MHz, 3.57000 MHz, 15.03000 MHz, 17.48000 MHz, 18.90000 MHz, 21.45000 MHz, 25.67000 MHz

13.2.2: Press the Very High Frequency (VHF) button, then press [MODE] to switch the measurement band, and the frequencies will be:

VHF30.00 MHz, VHF136.00 MHz, VHF174.00 MHz, VHF220.00 MHz, UHF409 MHz, UHF446.0620 MHz, UHF462.5620 MHz, UHF443.00 MHz

13.2.3: In AIR reception mode, press [MODE] to switch the measurement band, and the frequencies will be:

118.00MHz, 123.00MHz, 128.00 MHz, 133.00MHz, 138.00MHz

13.2. Preliminary Scan of Pre-stored Stations:

After settings 7.1 or 9.2:

• After saving stations in a reception band (excluding the WX band for North American countries), long press [MODE] for 2 seconds to enter the preview function. "Lxxx" will flash. It will switch stations every 5 seconds; press any button to exit the preview function.

Tips: After setting the desired radio station, long press the MODE button to enter the preview mode, which will start with the current lowest stations and switch stations every 5 seconds. You can press any key to exit the preview mode. Stations without signals will be automatically skipped during playback. This is useful for quickly finding a designated radio station and achieving rapid capture of pre-stored stations.

13.3. In the power-off state, short press [MODE] to switch between Fahrenheit/Celsius degrees.

14. Band Settings:

14.1 MW (Medium Wave) Reception Status:

14.1.1. Press [SET]; the bandwidth "BW" will flash. Short press [MODE] to set the bandwidth to 1.80 kHz, 1.00 kHz, 6.00 kHz, 4.00 kHz, 3.00 kHz, 2.50 kHz, and 2.00 kHz.

14.1.2. Press [SET] twice. When the MW frequency 520 kHz or 522 kHz flashes, short press the [MODE] button to select 520 kHz or 522 kHz. Short press [SET] to confirm. The current setting is used by default if no operation is performed within five seconds.

Indication 520 shows that the medium wave step value is 10 kHz (or 5 kHz) and the reception range is from 520 MHz to 1710 kHz. Indication 522 shows that the FM medium wave step value is 9 kHz (or 3 kHz) and the reception range is from 522 kHz to 1710 kHz.

Note: In the United States, Canada, Mexico, and other North and South American countries, the MW step value is set to 10 kHz (or 5 kHz). In other countries, the MW step value is 9 kHz (3 kHz).

14.1.3. Press [SET] 3 times. ATT (LOCAL) or NORMAL ATT will flash, then short press the MODE key to select DX/LOCAL/NORMAL. Then press [SET], and ART DX/LOCAL/NORMAL will stop flashing. It can exit the (DX) or (LOCAL) mode for operation and save the current setting by default if no operation is performed within five seconds.

14.2 FM Reception Status:

14.2.1. Press [SET]. The bandwidth "BW" will flash. Short press [MODE] to set the bandwidth to 40 kHz, 110 kHz, 84 kHz, and 60 kHz.

14.2.2. Press [SET] twice. The FM frequency 64.00 MHz, 76.00 MHz, or 87.5 MHz will flash. Press the [MODE] key to select 64.00 MHz, 76.00 MHz, and 87.50 MHz. Then short press SET to confirm the current settings. The current setting is used by default if no operation is performed within five seconds.

When 64.00 MHz is displayed, it means the FM reception range is currently 64.00-108.00 MHz. When 76.00 MHz is displayed, it means the FM reception range is currently 76.00-108.00 MHz. When 87.50 MHz is displayed, it means the FM reception range is currently 87.50-108.00 MHz.

14.2.3. Press [SET] 3 times. AT, DX, LOCAL, or NORMAL will flash; then press [MODE] to select BT, DX, LOCAL, or NORMAL. After selection, press the [SET] key to confirm the current selection. ATT, DX, LOCAL, or NORMAL will stop flashing. The current setting is used by default if no operation is performed within five seconds.

14.2.4. Press [SET] 4 times. "De-emphasis: 50us or Attenuation: 75us" will flash. Short press [MODE] to select attenuation: 50us or Attenuation: 75 us; press SET again to confirm the current value. De-emphasis: 50us or Accent: 75us words will stop flashing. The current setting is used by default if no operation is performed within five seconds.

14.2.5. Press [SET] 5 times. "·STEREO" or "-MONO" will flash; then short press MODE to select "·STEREO" or "·MONO" setting. Press the SET button to confirm the current operation. The current setting is used by default if no operation is performed within five seconds.

14.3 SW Reception Status:

14.3.1. Press [SET]. The bandwidth "BW" will flash. Short press [MODE] to set the bandwidth to 3.00 kHz, 2.50 kHz, 2.00 kHz, 1.80 kHz, 1.00 kHz, 6.00 kHz, and 4.00 kHz.

14.3.2. Press [SET] twice. "SQ.OFF.00.ON" will flash. Press "MODE" to select SQ.ON.01~SQ.ON.09 levels, which have 9 levels. Then short press SET to confirm the desired SQ level. "VOL SQ" will flash on the screen. The current setting is used by default if no operation is performed within five seconds.

If the SQ function is not required, perform the above operation to switch to VOL SQ OFF to disable the automatic noise function.

14.3.3. Press [SET] 3 times. ATT, NORMAL, DX, or LOCAL will flash. Press [MODE] to select ATT, NORMAL, DX, or LOCAL settings. After that, short press [SET] to confirm the setting. ATT, NORMAL, DX, or LOCAL will stop flashing. It can exit (DX) or (LOCAL) mode for operation and save the default setting if no action is taken within five seconds.

14.3.4. Press [SET] 4 times.

The display "AM" will flash, and SW operates in normal shortwave reception mode.

• Short press [MODE]. "·SSB" will flash to enter the Upper Sideband search mode. The SSB search function will complete in 5 seconds.
• When "·SSB" flashes, short press [MODE]. If "·LSB" flashes or does not flash, or "·SSB" flashes, short press [BAND]. It can switch to SW band.

Turn off the radio in SW state, then turn it on. LSB or DSB will automatically enter search mode. If you want to exit SSB and LSB search mode, short press [SET] 4 times, lightly press [MODE], and it can switch to flash "AM". Then lightly press [SET], and it can exit LSB and SSB search mode.

14.4 AIR (Airband Reception) Status:

14.4.1. Press [SET]. When the bandwidth (BW) flashes, short press [MODE] to set the bandwidth to 3.00 kHz, 2.50 kHz, 2.00 kHz, 1.80 kHz, 1.00 kHz, 6.00 kHz, and 4.00 kHz.

14.4.2. Press [SET] twice. SQ (SQ.OFF.00) will flash. Then short press [MODE] to select SQ from (SQ.ON.01~SQ.ON.09). If SQ shutdown is not required, please short press [SET] again. When SQ (SQ.ON.01~SQ.ON.09) flashes, short press MODE to select (SQ.OFF.00) to turn off the indicator.

14.5 CB (Citizens Band) Status:

14.5.1: Press [SET]. When the bandwidth value (BW) flashes, short press [MODE] to set the bandwidth to 3.00 kHz, 2.50 kHz, 2.00 kHz, 1.80 kHz, 1.00 kHz, 6.00 kHz, and 4.00 kHz.

14.5.2: Press [SET] twice, and the SQ indicator (SQ.OFF.00) will flash. Then short press [MODE] to select SQ from (SQ.ON.01~SQ.ON.09). If SQ shutdown is not required, please short press [SET] again. When the SQ indicator (SQ.ON.01~SQ.ON.09) flashes, short press MODE to select (SQ.OFF.00) to turn off the indicator.

14.5.3: Press [SET] 3 times. ATT/DX/LOCAL/NORMAL will flash, then short press [MODE] to select BT/DX/LOCAL/NORMAL settings. Short press [SET]. ATT/DX/LOCAL/NORMAL will stop flashing. ATT/DX/LOCAL/NORMAL will exit if no operations are performed within five seconds, and the operation will revert to the default setting.

14.6 VHF (UHF) Status:

14.6.1. Press [SET]. When "BW" flashes, short press [MODE] to set the bandwidth to 1.70 kHz, 4.50 kHz, 3.75 kHz, 2.50 kHz.

14.6.2. Press [SET] twice, and the SQ setting (SQ.OFF/ON.00) will flash. Then short press [MODE] to select SQ from (SQ.ON.01~SQ.ON.09). If SQ shutdown is not required, briefly press [MODE] until (SQ.OFF.00) is displayed. At this time, SQ OFF will be closed (Note: SQ OFF is set to adjustable 9 levels, and the level can be selected according to actual requirements).

14.7 UBD (Customized Reception) Status:

14.7.1. Press [SET]. When "BW" flashes, short press the [MODE] key to set the bandwidth to 1.70 kHz, 4.50 kHz, 3.75 kHz, and 2.50 kHz.

14.7.2. Press [SET] twice, and the SQ indicator (SQ.OFF/ON.00) will flash. Then short press [MODE] to select SQ levels (SQ.ON.01~SQ.ON.09). Press [SET], and 'VOL SQ' will stop flashing to confirm the current setting. If the SQ function is not required, perform the above operation to switch to VOL SQ OFF to disable the automatic noise function.

14.7.3. Press [SET] 3 times. ATT/DX/LOCAL/NORMAL will flash, then short press [MODE] to select ATT/DX/LOCAL/NORMAL settings. Press [SET]. ATT/DX/LOCAL/NORMAL will stop flashing. ATT/DX/LOCAL/NORMAL will exit if no operations are performed within five seconds, and the operation will revert to the default setting.

14.7.4. Press [SET] 4 times. The first digit before UBD will flash. Press [MODE], and the lower level symbol "↓" will appear on the display. Press "↑" or "↓" to set the data, then press [STEP] to move the cursor position, then press "↑" or "↓" to set the desired low frequency range "top". Short press [MODE] displays the high-level symbol "↑". Press [TUNE ↑ / ↓] to set the data, and press [STEP] to move the cursor position, then press "↑" or "↓" to set the desired high frequency range "top". Short press [SET] to confirm the setting. (Adjustable frequency range: (30 MHz-520 MHz))

1. WX (North American Weather Band):

MANKX has already corrected this with masonry: 162.400 MHz, 162.4250 MHz, 162.4500 MHz, 162.4750 MHz, 162.500 MHz, 162.5250 MHz, 162.5500 MHz. In WX mode, press [TUNE ↑ / ↓] to select the required frequency, or turn the tuning knob to select the desired frequency point. Long press SET to enter the alert mode, and "SCANNING" will appear on the display. When warning signals are received, the alert reception channel will automatically activate. Long press SET again to exit the alert reception mode.

About the Orange Backlight:

To facilitate use at night or in dark places, this radio is specially equipped with a warm orange backlight.

Technical Specifications

USA

Demodulation Method

Specifications

• Size: 111X60X20 MM
• Lithium Battery: BL 5C 1000 mAh 3.7V 3.7WH
• Speaker: Φ40 MM 8Ω 2W
• Headphone Jack: 3.5 MM stereo input
• Antenna Hole: 3.5 MM

Europe

Precautions:

• 1) Low sound, distorted sound, and signal noise all indicate insufficient battery charge. Please charge the battery promptly.
• 2) Please do not apply strong pressure or forceful impact.
• 3) Do not place the machine in direct sunlight, high temperatures, or humid places, and do not use it at temperatures below -5 °C or above +50 °C.
• 4) Do not use chemical reagents to wipe the casing to protect its surface.
• 5) Do not disassemble the machine or adjust internal component parameters.
• 6) Obvious man-made damage (broken antenna, bending, dropping, battery leakage corrosion) is not covered by warranty.
• 7) Free warranty is not provided for accessories such as the outer shell, external antenna, casing, battery, headset, and charging cable.
• 8) The product's antenna is a seven-section long rod antenna (extended length is 56 cm), which is relatively long. Please do not bend it to avoid breaking.

RF Exposure Information

WARNING!

Before using this radio, please read this manual carefully. This manual contains important instructions for users on how to use this radio safely and how to use radio frequencies legally. This manual explains RF energy and teaches the user how to control RF energy to comply with applicable standards and regulations.

Regulatory Information

When radios are used for business purposes, local government regulations require users to be fully aware of and able to control their radio's RF exposure to meet professional requirements. Awareness of RF exposure can be enhanced by using the product label that directs users to specific information about user awareness. Your Retekess radio has an RF exposure label. Your user manual or a separate safety booklet includes information and instructions for operating your radio to control your RF exposure and comply with regulatory requirements.

Unauthorized Modification and Adjustment:

If you make any changes or modifications that are not expressly approved by the party responsible for compliance, your authorization to operate this radio may be voided. Authorized operation: You may be permitted to operate this radio in radio management departments of the local government. To comply with relevant requirements, transmitter adjustments must only be performed by a technically qualified person, or under the supervision of a technically qualified person. It will be more convenient for the user organization's representative to perform maintenance and repair of the transmitter in a private land mobile station.

FCC Requirements:

• This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
• (1) This device may not cause harmful interference, and
• (2) This device must accept any interference received, including interference that may cause undesired operation.

CE Requirements:

(Simple Declaration of EC Conformity) Henan Eshow Electronic Commerce Co., Ltd declares that the radio equipment type complies with the essential requirements and other relevant provisions of Directive RED 2014/53 / EU and Directive ROHS 2011/65 / EU and Directive WEEE 2012/19 / EU; the full text of the EC declaration of conformity is available at the following internet address: www.retekess.com.

Disposal: The crossed-out dustbin symbol on your product, literature, or packaging reminds you that in the European Union, when your electrical and electronic products, batteries, and accumulators (rechargeable batteries) reach the end of their life, they must be taken to designated collection points.

IC Requirements:

License-Free Radio Device. This device contains license-free transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada's license-exempt RSS(s). Operation is subject to the following two conditions:

• (1) This device may not cause interference.
• (2) This device must accept any interference, including interference that may cause undesired operation of the device.

The present apparatus complies with CNR d'Industrie Canada applicable to devices radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage; (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.

RF Warning:

The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.

RF Exposure Information:

• DO NOT use the radio without a proper antenna, as this may damage the radio and exceed RF exposure limits. The supplied antenna is the one provided by the manufacturer, or an antenna specifically authorized by the manufacturer for use with this radio device, and the antenna gain must not exceed the specified gain declared by the manufacturer.
• To avoid interference, turn off the radio in places where signs indicate.
• DO NOT operate the transmitter in environments sensitive to electromagnetic radiation, such as hospitals, airplanes, and explosive work areas.

To Avoid Suffocation Hazard:

Small parts. NOT INTENDED FOR CHILDREN UNDER 3 YEARS OF AGE. 0-3

Protect Your Hearing:

• Use the minimum volume necessary for your work.
• Increase the volume only if you are in a noisy environment.
• Decrease the volume before adding a headset or earphones.
• Limit the time you use headphones or earphones at high volume.
• When using the radio without headphones or earphones, do not place the radio speaker directly against your ear.
• Be cautious with headphones; excessive sound pressure from headphones and earphones may lead to hearing loss.

Note: Exposure to loud noises from any source for extended periods may temporarily or permanently affect your hearing. The louder the sound, the less time is required before your hearing may be affected. Hearing damage from loud noise is sometimes not immediately apparent and can have a cumulative effect.

Approved Accessories:

This radio complies with RF exposure guidelines when used with Retekess supplied or designated accessories for this product. Using other accessories may not comply with RF exposure regulations and may violate them.

A list of Retekess-approved accessories for your radio model can be found on the following website: http://www.Retekess.com

Guarantee

Model Number:

Serial Number:

Purchasing Date:

Dealer:

User's Name:

Country:

Post Code:

Telephone:

Address:

Email:

Remarks:

1. This guarantee card should be kept by the user, no replacement if lost.
2. Most new products carry a two-year manufacturer's warranty from the date of purchase.
3. The user can get warranty and after-sales service as below: Contact the seller where you buy. Products Repaired by Our Local Repair Center.
4. For warranty service, you will need to provide a receipt proof of purchase from the actual seller for verification.

Exclusions from Warranty Coverage:

1. To any product damaged by accident.
2. In the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs.
3. If the serial number has been altered, defaced, or removed.