This manual provides detailed instructions for the setup, operation, and maintenance of your HANNLOMAX HX-151CR Alarm Clock Radio. This device features a PLL AM/FM radio with preset stations, a digital clock, dual alarms, a 1.2-inch red LED display, a dimmer function, and memory backup. Please read this manual thoroughly before use to ensure proper functionality and to maximize your user experience.
Image: Front view of the HANNLOMAX HX-151CR Alarm Clock Radio, displaying 12:45 on its red LED screen.
Important Safety Instructions
Read these instructions.
Keep these instructions.
Heed all warnings.
Follow all instructions.
Do not use this apparatus near water.
Clean only with a dry cloth.
Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
Only use attachments/accessories specified by the manufacturer.
Unplug this apparatus during lightning storms or when unused for long periods of time.
Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
Product Features
PLL AM/FM Radio with Preset Stations: Easily locate and save your favorite AM and FM radio stations. An external FM antenna is included to enhance reception.
Digital Clock with Dual Alarms: Set two independent alarms. Wake up to either a buzzer or your preferred radio station.
1.2" Red LED Display with Dimmer Function: Clear and easy-to-read display. Adjust the brightness to your comfort level.
Sleep Timer: Listen to the radio as you fall asleep; the radio will automatically turn off after a set period.
Snooze Function: Temporarily suspend an active alarm for an additional 9 minutes of sleep.
Memory Backup: In the event of a power outage, your time and alarm settings are retained (requires backup batteries, not included).
AC Operation Only: The unit operates solely on AC power.
Image: The alarm clock radio with visual callouts for its key features including AM/FM radio, digital clock, 1.2-inch LED display, dual alarm, and snooze function.
Controls and Indicators
Familiarize yourself with the buttons and display indicators on your alarm clock radio.
Front Panel Display:
1.2" Red LED Display: Shows current time, alarm times, and radio frequency.
PM Indicator: Lights up when the time is PM.
AL1-B / AL1-R Indicators: Light up when Alarm 1 is set to wake by Buzzer (B) or Radio (R).
AL2-B / AL2-R Indicators: Light up when Alarm 2 is set to wake by Buzzer (B) or Radio (R).
Top Panel Buttons (Typical Layout):
TIME SET: Used to set the current time.
ALARM 1 SET / ALARM 2 SET: Used to set Alarm 1 and Alarm 2 times and wake modes.
SNOOZE / SLEEP / DIMMER:
Press to activate snooze during an alarm.
Press and hold to activate/adjust Sleep Timer.
Press repeatedly to adjust display brightness (Dimmer).
RADIO ON/OFF: Turns the radio on or off.
BAND (AM/FM): Switches between AM and FM radio bands.
TUNE +/-: Adjusts radio frequency.
VOLUME +/-: Adjusts sound volume.
PRESET / MEMORY: Used to save and recall radio presets.
Setup
1. Power Connection
Uncoil the AC power cord completely.
Plug the AC power cord into a standard household AC outlet (120V, 60Hz).
The unit is now powered on. The display will flash "12:00" or a similar default time, indicating it's ready for time setting.
To retain time and alarm settings during a power outage, install backup batteries.
Locate the battery compartment cover on the bottom of the unit.
Open the battery compartment cover.
Insert two (2) AAA size batteries (not included) according to the polarity markings (+ and -) inside the compartment.
Close the battery compartment cover securely.
Note: The backup batteries only maintain time and alarm settings. The display will not light up and the alarm will not sound during a power outage when operating on backup batteries alone.
3. FM Antenna
For optimal FM radio reception, fully extend the external FM wire antenna. Adjust its position for the best signal.
Operating Instructions
Setting the Current Time
Press and hold the TIME SET button until the hour digits begin to flash.
Press the HOUR button (often TUNE + or a dedicated button) repeatedly to adjust the hour. Observe the PM indicator for correct AM/PM setting.
Press the MINUTE button (often TUNE - or a dedicated button) repeatedly to adjust the minutes.
Press the TIME SET button again to confirm and save the time. The display will stop flashing.
Setting Alarms (Alarm 1 and Alarm 2)
The unit features two independent alarms. The procedure is similar for both.
Press and hold the ALARM 1 SET (or ALARM 2 SET) button until the alarm hour digits begin to flash.
Press the HOUR button repeatedly to set the desired alarm hour. Observe the PM indicator.
Press the MINUTE button repeatedly to set the desired alarm minutes.
Press the ALARM 1 SET (or ALARM 2 SET) button again to select the wake mode:
Press once for Buzzer (AL1-B or AL2-B indicator lights up).
Press twice for Radio (AL1-R or AL2-R indicator lights up).
Press a third time to turn the alarm OFF (indicator turns off).
The alarm is now set. The corresponding alarm indicator (AL1-B/R or AL2-B/R) will remain lit on the display.
To turn off a sounding alarm, press the RADIO ON/OFF button. The alarm will reset for the next day.
Snooze Function
When an alarm sounds, press the SNOOZE button. The alarm will temporarily stop and sound again after approximately 9 minutes.
Radio Operation (AM/FM)
Press the RADIO ON/OFF button to turn on the radio.
Press the BAND button to select either AM or FM band.
Use the TUNE +/- buttons to manually tune to your desired station. Press and hold TUNE +/- for automatic scanning to the next available station.
Adjust the volume using the VOLUME +/- buttons.
To turn off the radio, press the RADIO ON/OFF button again.
Setting Radio Presets
You can store your favorite stations for quick access.
Tune to the desired radio station (see Radio Operation above).
Press and hold the PRESET / MEMORY button until "P01" (or the next available preset number) flashes on the display.
Use the TUNE +/- buttons to select the desired preset number (e.g., P01, P02, etc.).
Press the PRESET / MEMORY button again to confirm and save the station to that preset.
To recall a preset station, briefly press the PRESET / MEMORY button repeatedly to cycle through your saved stations.
Sleep Timer
The sleep timer allows the radio to play for a set duration before automatically turning off.
While the radio is playing, press the SLEEP button (often combined with SNOOZE/DIMMER) repeatedly to cycle through available sleep times (e.g., 90, 60, 30, 15 minutes, OFF).
The display will show the selected sleep time, then revert to the current time. The radio will turn off automatically after the chosen duration.
Dimmer Function
Adjust the brightness of the LED display.
Briefly press the DIMMER button (often combined with SNOOZE/SLEEP) repeatedly to cycle through different brightness levels (e.g., High, Medium, Low, Off).
Maintenance
Cleaning: Wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents.
Battery Replacement: Replace backup batteries annually or when the memory backup function fails during a power outage. Ensure correct polarity.
Storage: If storing the unit for an extended period, unplug it from the AC outlet and remove the backup batteries.
Troubleshooting
Problem
Possible Cause
Solution
Unit does not power on.
Power cord not securely plugged in.
Ensure the AC power cord is firmly plugged into a working outlet.
Display is blank during power outage.
Backup batteries are dead or not installed.
Install fresh AAA batteries for memory backup. Note: Display will not light up on battery power alone.
Cannot set time or alarm.
Incorrect button sequence or timing.
Refer to the "Setting the Current Time" and "Setting Alarms" sections. Ensure you press and hold buttons as instructed until digits flash.
Poor radio reception.
FM antenna not extended or positioned poorly; AM reception can be sensitive to unit orientation.
Fully extend the FM wire antenna and adjust its position. For AM, try rotating the unit for better reception. Avoid placing near other electronic devices that may cause interference.
Alarm does not sound.
Alarm not activated or set incorrectly; volume too low for radio alarm.
Verify the alarm indicator (AL1-B/R or AL2-B/R) is lit. Recheck alarm time and wake mode. If waking to radio, ensure radio volume is audible.
Display is too bright/dim.
Dimmer setting needs adjustment.
Press the DIMMER button repeatedly to cycle through brightness levels.
Specifications
Brand
HANNLOMAX
Model Number
HX-151CR
Display Type
Digital, 1.2" Red LED
Radio Bands
PLL AM/FM
Power Source
Corded Electric (AC Operation Only)
Memory Backup
Requires 2 x AAA batteries (not included)
Product Dimensions (L x D x H)
6.02" x 2.24" x 2.80" (153mm x 57mm x 71mm)
Material
Acrylonitrile Butadiene Styrene (ABS)
Image: Technical drawing illustrating the unit dimensions: Length 153 mm, Depth 57 mm, Height 71 mm.
Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your product or visit the official HANNLOMAX website. You may also contact HANNLOMAX customer service directly for assistance.
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