UV-5RM GMRS Series Radio User Manual

Preface

Thank you for purchasing the GM-5RH Two Way Radio, a multitask GMRS transceiver. Combining the latest radio communication technology with a sturdy mechanical frame, the GM-5RH is an ideal and effective solution for professionals needing to stay in touch with their working team (e.g., construction sites, buildings, shows, trade fairs, hotels) or for leisure users wanting to connect with friends and family.

This manual applies to the following products: UV-5G PLUS, TH-5RH, BT-5RH, and 5RM GMRS Two Way Radios.

Important Notice

To prevent bodily injury or property loss from improper operation, read all information carefully before using these products. This includes instructions for safe usage and RF energy awareness and control for compliance with applicable standards and regulations.

Safety Information for GMRS Radios

Your wireless handheld portable transceiver contains a low power transmitter. When the talk button is pushed, it sends out radio frequency (RF) signals. The device is authorized to operate at a duty factor not exceeding 50%. In August 1996, the Federal Communications Commission (FCC) adopted RF exposure guidelines with safety levels for handheld wireless devices.

FCC Part 15.21 Warning Statement

THE GRANTEE IS NOT RESPONSIBLE FOR ANY CHANGES OR MODIFICATIONS NOT EXPRESSLY APPROVED BY THE PARTY RESPONSIBLE FOR COMPLIANCE. SUCH MODIFICATIONS COULD VOID THE USER'S AUTHORITY TO OPERATE THE EQUIPMENT.

Hazardous Environments: Do not operate the radio in hazardous environments, as explosion or fire may result. Do not operate near unshielded electrical blasting caps. Under certain conditions, radios can interfere with blasting operations and may cause an explosion. Turn your radio OFF to prevent accidental transmission when in a blasting area or areas posted: "Turn off two-way radio."

Care and Safety: To clean the radio, use a soft cloth dampened with water. Do not use cleaners or solvents. Use a dry, lint-free cloth to clean battery contacts.

RF Exposure Information

WARNING! Read this information before using the radio. The FCC adopted an updated safety standard for human exposure to radio frequency electromagnetic energy. These guidelines are consistent with U.S. and international standards. Never allow children to operate the radio without adult supervision.

WARNING! It is up to the user to properly operate this radio transmitter to ensure safe operation. Adhere to the following:

• Use only the supplied or an approved antenna. Unauthorized antennas, modifications, or attachments could impair call quality, damage the radio, or violate FCC regulations.
• Do not use the radio with a damaged antenna. If a damaged antenna contacts the skin, a minor burn may result. Contact your local dealer for a replacement.

Hand-held Operation (Held-to-Face)

This device was evaluated for typical hand-held operations with a 1-inch spacing from the front of the radio to comply with FCC RF exposure requirements. For more information, visit the FCC website at www.fcc.gov.

Body-worn Operation

This device was evaluated for body-worn operations with the supplied belt-clip accessory. Third-party accessories (unless approved by the manufacturer) should be avoided. For more information, visit the FCC website at www.fcc.gov.

GMRS Communication

GMRS (General Mobile Radio Service) is a land-mobile service for short-distance, two-way communications in the USA. A valid FCC license is required to communicate on these channels. GMRS/FRS frequencies are used for various purposes including hiking, biking, working, keeping track of family/friends, and shopping. Licensed users are issued a call sign by the FCC, which should be used for station identification. Users should cooperate by engaging in permissible transmissions only, avoiding channel interference, and being prudent with transmission time.

FCC License Required

This two-way radio operates on GMRS frequencies requiring an FCC license. Unlicensed use may result in serious penalties. Operation is subject to 47 C.F.R. Part 95. For licensing information and application forms, call the FCC Hotline at 800-418-FORM (request forms #159 and #605). Questions can be directed to the FCC at 888-CALL-FCC. Additional information is available at www.fcc.gov.

NOTE: Even when operating on FRS (Family Radio Service) channels at low power (0.5 watt), an FCC license is required because this radio operates in the 0.5 to 5 watt GMRS power range.

FCC Warnings

Replacement or substitution of transistors, regular diodes, or other unique parts with non-recommended parts by Pofung may violate technical regulations of part 95 or type acceptance requirements of part 2 of the FCC rules.

Main Features

• 22 Modifiable GMRS Channels (RX & TX)
• 8 Modifiable GMRS Repeater Channels (RX & TX)
• Scanning receiver frequency range: FM 76-108 MHz; VHF 136-260MHz, UHF 400-520MHz
• One-touch search frequency, easy pairing and grouping
• Selectable frequency steps: 2.5K, 5.0K, 6.25K, 10.0K, 12.5K, 20.0K, 25.0K, 50.0K
• Frequency hopping and scramble functions for call privacy
• 1.77" TFT large screen, full keyboard, fully open menu operation
• Channel scan, frequency scan, and three scan and recovery methods: TO, CO, and SE
• Up to 999 memory channels
• Power-on password management function
• DTMF encoder and DTMF manual dial
• VOX (voice activated transmit)
• Alarm function
• Programmable repeater offset
• Transmission time-out timer
• LED flashlight
• End of transmission tone ("Roger Beep")
• Broadcast FM radio receiver 76-108 MHz
• Dual watch / Dual reception / Dual-band handheld transceiver
• High Capacity Lithium-Ion battery
• Stopwatch function
• Display illumination programmable via keypad
• Battery save function
• Busy channel lock out
• Ten (10) levels of Squelch adjustment
• Two (2) pins for Kenwood accessory port
• Support NOAA weather reception function in the United States and Canada

Content of the Packaging

• 1 Radio
• 1 Li-Ion battery pack
• 1 Antenna
• 1 Belt clip

If any item is missing, verify with your dealer.

Charging the Battery

Charging the Battery Pack

The Li-ion battery pack is not charged at the factory; charge it before use. For best performance, fully charge/discharge the battery two or three times after purchase or extended storage. Replace the battery pack if operating time decreases despite proper charging.

Charger Supplied

Use only the specified charger. Other models may cause explosion or injury. Charge the battery when the radio displays low battery with a voice prompt.

Use Caution with the Li-ion Battery

• Do not short the battery terminals or throw the battery into a fire.
• Do not remove the casing from the battery pack.
• Charge between 5℃-40℃ (40°F - 105°F).
• Turn off the radio before inserting it into the charger.
• Do not cut off power or remove battery during charging until the green light is on.
• Do not recharge a fully charged battery.
• Do not charge a damp battery or radio; dry it first.

WARNING! Contact between keys, ornamental chains, or other electric metals and battery terminals can damage the battery or injure a human. Short-circuited battery terminals generate heat. Carry and use the battery with care, preferably in an insulated container, not metal.

How to Charge

Plug the AC adaptor into an outlet and then into the charger's DC jack. The indicator light blinks orange, ready to charge. Plug the battery or radio into the charger; the light turns red, indicating charging. Full charge takes approximately 2-5 hours, indicated by a green light. If the radio is powered on during charging, the lamp may not turn green to show full charge status because the radio consumes energy.

LED Indicator (Charging Status)

NOTE: "Trouble" indicates battery too warm, battery short-circuited, or charger short-circuited.

How to Store the Battery

• Store at 80% discharged.
• Keep in low temperature and dry environment.
• Keep away from hot places and direct sunlight.
• Do not short circuit the battery terminals.
• Never attempt to remove the casing from the battery pack.
• Never store the battery in unsafe surroundings, as a short may cause an explosion.
• Do not put the battery in a hot environment or throw it into a fire, as it may cause an explosion.

Using the Type-C USB Charger

The Type-C USB charger allows convenient charging of your Li-ion battery pack.

1. Ensure radio is OFF.
2. Plug the Type-C USB cable into the battery's charging port and the other end into a wall power outlet.
3. An empty battery fully charges in 4 hours.
4. The LCD battery meter indicates charging progress.

NOTE: It is recommended to power OFF the radio while charging. If powered ON, you may not be able to transmit if the battery is completely empty. Allow time for the battery to charge to 1 bar before transmitting. For optimal battery life, remove the radio from the charger within 6 hours. Do not store the radio connected to the charger.

Installation of Accessories

Before use, attach the battery pack and charge the battery.

Installing/Removing the Antenna

1. Installing: Screw the antenna clockwise into the connector on top of the transceiver, holding it at its base.
2. Removing: Turn the antenna counter-clockwise.

Installing the Belt Clip

1. Remove the two parallel screws above the battery at the back of the radio. Thread them through the belt clip holes and screw them back into the radio body.
2. Removing: Unscrew counter-clockwise.

Installing the Battery Pack

Before attaching or removing, turn off the radio by rotating the power/volume knob counter-clockwise.

1. Align the battery parallel with the radio body, with its lower edge about 1-2cm below the radio's edge.
2. Slide the battery upward along the guide-rails until it clicks into place.

Remove the Battery Pack

Press the battery release above the battery pack and slide the battery downward.

Installing the Additional Speaker/Microphone (Optional)

Pry open the rubber MIC-Headset jack cover and insert the Speaker/Microphone plug into the double jack (Ø2.5mm and Ø3.5mm).

Radio Overview

Buttons and Controls of the Radio

The radio features a Power/Volume knob (1), SK1-Broadcast FM and Alarm key (2), PTT key (3), VFO/MR mode key (4), Status LED (5), SK2-Flashlight and Monitor key (6), A/B select key (7), Menu key (8), Numeric keypad (9), Antenna jack (10), LED flashlight (11), Color LCD (12), Accessory jack (13), Speaker and microphone (14), One-Touch search key (15), Exit key (16), Navigation keys (▲/▼) (17), Type-C charging port (18), Type-C charging indicator (19), and Battery release latch (20).

LCD Display Icons

Battery Level Indicator

When the battery level indicator shows an empty battery symbol (?), the battery is depleted. The radio will beep periodically, flash the display backlight, and announce "Low Voltage" if voice prompts are enabled, indicating a need to change or charge the battery.

Status Indications (LED)

Main Keypad Controls

• Side key 1 (Broadcast FM and Alarm): Momentary press toggles broadcast FM receiver. Press and hold activates alarm function.
• Side key 2 (Monitor and Flashlight): Momentary press toggles LED flashlight (continuous, then strobe, then off). Press and hold monitors signal (opens squelch).
• VFO/MR - mode key: Switches between Frequency (VFO) Mode and Memory (MR) mode.
• A/B select key: Switches between A (upper) and B (lower) displays.
• Menu key (8): Activates the MENU, selects menu items, and confirms parameters.
• Navigation keys (▲/▼): Moves channel/frequency upwards/downwards rapidly in SCAN mode.
• Exit key: Exits Menu and functions. Press and hold to activate one-touch search.
• Numeric keypad: Inputs information or selections. In transmit mode, sends DTMF codes.
• Star * Key: Short press enables reverse function. Press and hold for 2 seconds to lock/unlock keypad.
• Pound # Key: Activates DTMF dial function. Press and hold to activate channel scan or frequency scan. In FM radio mode, automatically searches for broadcast programs.
• 0 key: Press and hold [0SQL] to activate NOAA weather forecast reception.

Basic Operations

Powering On/Off

Turning On: Rotate the Volume/Power knob clockwise until a "click" is heard. An audible double beep and display message/flash indicate power-on. If Voice prompt is enabled, it will announce "frequency mode" or "channel mode."

Turning Off: Rotate the Volume/Power knob counter-clockwise all the way until a "click" is heard.

Adjusting the Volume

Rotate the Volume/Power knob clockwise to increase volume, counter-clockwise to decrease. Use the monitor function (activated by [SK2] key) to adjust volume to un-squelched static.

Main Band/Sub Band Select

In standby mode, press the [A/B] key to switch between A (upper) and B (lower) displays. The selected display becomes the active listening and transmit frequency/channel. To save frequencies to channel memory, you must be on the A display.

VFO/Channel Switch

Press the [VFO/MR] key to switch between VFO (Frequency) and Channel (MR) display. In Channel mode, the channel number is displayed; in Frequency mode, 'VFO' is displayed.

Frequency (VFO) Mode

In VFO mode, navigate the band using ▲/▼ keys or input frequencies directly via the numeric keypad (e.g., 436.61250 MHz). Transmitting on unauthorized frequencies is illegal, but listening is generally permitted. Consult your local regulatory body for rules.

Channel (MR) Mode and Channel Selection

Channel (MR) mode is more practical for everyday use, while Frequency (VFO) mode is useful for experimentation and programming. In Channel mode, navigate using ▲/▼ keys or input channel numbers directly (e.g., [0][1][2] for channel 12). Voice prompts will announce the channel if enabled.

Making a Call

Press [A/B] to switch main channels if two are displayed. Press [VFO/MR] to switch modes.

• Channel mode call: Select channel, hold [PTT] key, speak into microphone. Red LED indicates transmitting.
• Frequency mode call: Switch to frequency mode, input frequency, hold [PTT] key, speak into microphone. Red LED indicates transmitting.
• Receive a call: Release [PTT] key. Green LED indicates receiving.

NOTE: For best reception volume, keep microphone 2.5 cm to 5 cm from mouth during transmission.

Using the Flashlight

Press [SK2] key to turn on the LED flashlight. Subsequent presses cycle through continuous, strobe, and off. The radio operates normally when the emergency strobe is activated.

Emergency Alert

Press and hold [SK1] for 3 seconds to activate the emergency alert (loud siren and flashing flashlight). Press [SK1] again to exit. Use only in actual emergencies.

FM Radio (FM)

Listen to FM radio in the 65-108MHz range. Press [SK1] to turn on/off. Select frequency with ▲/▼ keys or numeric keypad. Press #z to auto-search. The radio automatically switches to active communication frequencies/channels and returns to FM radio when the signal disappears.

Monitor

Press and hold [SK2] to enter Monitor mode, allowing reception of weak signals or matched carriers without signaling. Release [SK2] to exit. If no signal, it will emit noise.

Keypad Lock

Locks all keys except side keys. Press and hold * key for about two seconds to enable/disable. Can be set to automatically lock after ten seconds via menu.

Frequency Reversal

A short press of the * key enables reverse function, swapping transmit and receive frequencies (indicated by 'R' on LCD). Useful for listening to repeater input frequencies.

TX Repeaters Tone

Press [PTT] + [SK2] to send a 1750Hz repeater tone. This works even with keypad lock enabled.

One-Touch Frequency Search

Press and hold the Menu key (8) to start "SEARCH_SEARCH...". The radio acts as a receiver, displaying received frequencies and CTCSS/DCS values if a strong signal is detected. Press the Menu key (8) to save. During search, press #z to switch between UHF/VHF bands.

Weather Radio/Scan Weather Channel

NOAA Weather Radio function receives weather reports. Press [0SQL] for 3 seconds to enter Weather band mode (L icon appears). Press and hold #z for 3 seconds to scan all 10 NOAA Weather Radio channels. Manually select channels with ▲/▼ keys. Exit with Menu key (8) or [PTT].

NOTE: Weather Channels Wx 1 Thru 10 are Receive-only channels for NOAA and Canadian weather broadcasts. Transmission is not possible on these channels.

Advanced Features (Menu System)

The radio's menu system allows configuration of various features. Many menu items do not take effect if the radio is in Memory (MR) mode (e.g., STEP, TXP, W/N, CTCSS, DCS, S-CODE, PTT-ID, BCL, SFT-D, OFFSET, MEM-CH).

Basic Menu Use

Press the Menu key (8) to enter. Use ▲/▼ keys to navigate. Press Menu key (8) again to select. Use ▲/▼ keys to select parameters. Confirm with Menu key (8) to save and return to main menu, or Exit key (16) to cancel and exit. Exit menu anytime with Exit key (16).

Using Short-cuts

Each menu item has a numerical value for direct access. Press Menu key (8), enter the number, press Menu key (8) to enter. Use ▲/▼ keys or numeric keypad for parameters. Confirm with Menu key (8) or cancel with Exit key (16).

Scanning

The radio includes a scanner for VHF and UHF bands, scanning in steps in VFO mode or channels in MR mode (approx. 3 frequencies/second). Dual Watch is inhibited during scanning. To enable/disable, press and hold #z for about two seconds.

Scanning Modes

Configurable to Time (TO), Carrier (CO), or Search (SE) operation:

• Time Operation (TO): Scanner stops on a signal, resumes after a preset timeout.
• Carrier Operation (CO): Scanner stops on a signal, resumes after a preset time with no signal.
• Search Operation (SE): Scanner stops on a signal. Press and hold #z to resume.

Frequency Scanning

In frequency mode, press #z for over 2 seconds to start scanning according to the set frequency step. Change direction with ▲/▼ keys. Press #z to stop.

Channel Scanning

In channel mode, press #z for over 2 seconds to start scanning. Change direction with ▲/▼ keys. Press #z to stop.

Scan CTCSS/DCS

Allows scanning for frequencies with CTCSS/DCS tones. In standby, press [1][4] for CTCSS or [1][5] for DCS, then Menu key (8) to start. Only works in VFO mode when a signal is detected.

Manual Programming (Channels Memory)

999 memory channels can store RX/TX frequencies, transmit power, signaling info, bandwidth, ANI/PTT-ID, and a 6-character alphanumeric identifier.

Frequency Mode vs. Channel Mode

Press [VFO/MR] to switch. VFO mode is for temporary assignments and field programming. MR mode is for preprogrammed channels.

Programming Examples

• Channel Repeater Offset with CTCSS Tone: In VFO mode, use menu to delete prior data, select TX encode tone, enter RX/TX frequencies, then return to MR mode.
• Simplex Channel with CTCSS Tone: Similar process for simplex operation.

Repeaters Programming

In VFO mode, enter repeater output frequency, access menu item 29 (OFFSET) to enter frequency offset, then menu item 28 (SFT-D) to select offset direction (+/-). Confirm and save. Options to save to memory or set CTCSS are available. Exit with Menu key (8). If connection problems persist, contact radio system administrator or amateur radio club.

VOX (Voice Operated Transmit)

Enables hands-free conversations. In standby, press Menu key (8) + 7. Select VOX level (1-10) or OFF. Confirm with Menu key (8). Level 1 is least sensitive, 9 is most. VOX is disabled in Scan or FM Radio mode.

Dual Watch

Monitors two channels simultaneously. The radio can flip-flop between two frequencies or have two receivers (Dual Receive/Dual VFO). The radio features Dual Watch functionality (single receiver) with transmit frequency lock to one monitored channel.

Enabling/Disabling Dual Watch

Press Menu key (8), enter 7 for Dual Watch. Use ▲/▼ keys to enable/disable. Confirm with Menu key (8).

Stopwatch Timer

In standby, press Menu key (8) + 44. Screen displays "STOP WATCH". Press Menu key (8) to enter. Use ▲/▼ keys to enable (ON). Press Menu key (8) to start/restart counting. Stop counting, then press Exit key (16) to exit.

DTMF (Dual-Tone Multi-Frequency)

An in-band signaling method using dual sinusoidal signals, commonly used for automation and remote control in two-way radio systems (e.g., activating repeaters). The radio supports full DTMF, including A, B, C, D codes. Numeric keys and specific function keys correspond to DTMF codes.

To send DTMF codes, press the corresponding key(s) while holding down the PTT key. This works even with keypad lock enabled.

Customization

The radio allows defining visual and audible features to suit user habits.

• Display Backlight (ABR) - MENU 7: Set illumination time (ON/5sec/10sec/15sec/20sec).
• Beep PROMPT (BEEP) - MENU 8: Enable/disable keypad beep tone.
• Voice function (VOICE) - MENU 17: Enable/disable voice prompts.
• Language of the MENU (LANGUAGE) - MENU 18: Select menu language (English/Chinese).
• Working Mode (MDF-A) - MENU 24: Shift between Frequency (FREQ), Channel (CH), and Channel Name (NAME) display modes.
• Roger Beep, end Transmission Tone (ROGER) - MENU 36: Enable/disable Roger Beep tone at end of transmission.
• Power On Message (POWER ON MSG) - MENU 40: Customize welcome message (VOLTAGE, MESSAGE, LOGO, MODEL NAME).
• Power On Password (Power On Password) - Menu 43: Require password to turn on radio.

Reset - MENU 42

Two reset modes:

• Reset VFO: Resets all settings except channels to default.
• Reset ALL: Resets all settings to default.

To reset, press Menu key (8) + 42, select VFO or ALL, confirm. Transceiver will turn off and reboot.

Troubleshooting Guide

NOTE: If problems persist, contact your dealer for technical support.

Technical Specifications

General

• Frequency Range: GMRS (RX & TX), 136-173.99 & 400-519.99MHz (Scanning RX)
• Operation Voltage: DC 7.4 V ±10%
• Frequency Stability: ±2.5ppm
• Operating Temperature: -20℃ to +50℃
• Mode of Operation: Simplex
• Antenna Impedance: 50ohm

Transmitter Part

• RF Output Power: ≤5W (GMRS)
• FM Modulation: 11K0F3E@12.5KHz
• Adjacent Channel Power: 60dB @ 12.5KHz
• Transmission current: ≤1500mA

Receiver Part

• Receive Sensitivity: 0.25μV (12dB SINAD)
• Adjacent Channel Selectivity: ≥55dB@12.5KHz
• Inter Modulation and Rejection: ≥55dB@12.5KHz
• Conducted Spurious Emission: <-57dB@12.5KHz
• Rated Audio Power Output: 1W @16 ohms
• Receive current: <380mA
• Rated Audio Distortion: ≤5%

NOTE: All specifications may be modified without prior notice or liability.

Disclaimer

The Company endeavors to achieve accuracy and completeness of this manual, but no warranty of accuracy or reliability is given. All specifications and designs are subject to change without notice due to continuous technological development. No part of this manual may be copied, modified, translated, or distributed without prior written consent of the Company. The Company does not guarantee the accuracy, validity, timeliness, legitimacy, or completeness of third-party products and contents involved in this manual.

PO FUNG ELECTRONIC (HK) INTERNATIONAL GROUP COMPANY LIMITED
ADD: Room 1508, 15/F, Office Tower II, Grand Plaza, 625 Nathan Road, Kowloon, Hong Kong
Website: www.baofengradio.com

Print version: GM-5RH_V1.0