Thomson Bluetooth Digital Alarm Clock Radio Btc2138 Manual May 2026
This clock has two separate alarms (good for couples or weekday/weekend splits).
Disclaimer: This guide is intended as a helpful resource based on standard operations for the Thomson BTC2138 model. For specific technical diagrams or warranty information, please refer to the official documentation provided by Thomson.
Based on the Thomson BTC-2138 Bluetooth Digital Clock Radio , here are the core features and instructions on how to use a primary one. Key Features Bluetooth Wireless Streaming : Pair your phone to use the clock as a bedside speaker Grays Auction Dual Alarms
: Set two separate wake-up times (AL1 and AL2), ideal for different weekday/weekend schedules or for couples eBay Australia USB Charging Port
: Charge your mobile devices directly from the back of the unit while you sleep Grays Auction FM Radio with 20 Presets : Save up to 20 of your favourite stations for quick access Grays Auction Adjustable Dimmer
: Switch between High and Low brightness on the 0.9-inch red LED display to avoid sleep disruption Grays Auction Night Light Function : Includes a soft white night light built into the unit Grays Auction Sleep and Snooze
: Auto-off timer (Sleep) and a standard Snooze button for extra rest Grays Auction How to Use the Dual Alarm Feature
Setting the dual alarms (AL1 or AL2) allows you to choose between a buzzer or the radio for your wake-up call Grays Auction Enter Setting Mode : When the device is in standby mode, long-press button. The time display will begin to blink Adjust the Time : While the display is blinking, press the HOUR / REVERSE button to set the hour and the MINUTE / FORWARD button to set the minutes Confirm and Choose Mode : Press the thomson bluetooth digital alarm clock radio btc2138 manual
button again to save the time. You can then toggle between waking up to the Grays Auction Check Status
: A light next to the "Alarm 1" or "Alarm 2" label on the display indicates the alarm is active Snooze/Stop : Press the button to pause the alarm for 9 minutes, or the STANDBY/OFF button to stop it until the next day device.report steps or saving your FM radio presets Thomson Bluetooth Digital Clock Radio – Model BTC-2138
The Thomson BTC2138 Bluetooth Digital Alarm Clock Radio is a versatile bedside companion designed for both modern connectivity and classic utility. This compact device combines a high-quality FM tuner with Bluetooth streaming, allowing you to wake up to your favorite radio station or your own curated playlists. Key Specifications & Features
The BTC2138 is built for efficiency and ease of use, featuring a small footprint that fits easily on nightstands.
Display: 0.9-inch (2.3cm) Red LED for high visibility in low-light conditions.
Connectivity: Bluetooth V2.1 for wireless audio streaming and a USB port for charging mobile devices.
Radio: PLL FM tuner with 20 station presets for quick access. Audio Output: Single speaker with 0.35W RMS total power. This clock has two separate alarms (good for
Power: AC power via an external adapter with a backup slot for 2 x AA batteries to maintain settings during power outages. Manual & Operating Instructions
Setting up your Thomson BTC2138 involves a few standard steps for time, alarm, and connectivity. Setting the Time Ensure the device is in Standby Mode.
Press and hold the Time Set / Memory button until the display begins to flash.
Use the Hour and Minute buttons (often labeled as Prev/Next or Reverse/Forward) to adjust to the current time. Press the Time Set button again to confirm and save. Programming Alarms
The BTC2138 typically features dual alarms (AL1 and AL2) to accommodate different wake-up schedules.
Set Alarm Time: Long press the AL1 or AL2 button while in standby. When the time flashes, use the hour/minute buttons to set your wake time.
Select Wake Mode: After setting the time, press the alarm button repeatedly to toggle between Buzzer or Radio modes. Playing the Radio:
Snooze/Dimmer: When the alarm sounds, tap the Snooze button for a 9-minute delay. Bluetooth Pairing Thomson Bluetooth FM Clock Radio with USB Charging
Playing the Radio:
Manual Tuning:
| Issue | Solution | | :--- | :--- | | No Sound | Ensure the volume is turned up. Check that the unit is not in Standby mode. | | Bluetooth won't connect | Ensure the device is within range (approx. 10 meters). Try "forgetting" the device in your phone's Bluetooth settings and re-pairing. | | Radio reception is poor | Fully extend the FM wire antenna located at the back of the unit. Move the antenna to different positions to find the best signal. | | Clock reset to 12:00 | This indicates a power outage occurred and the backup batteries are missing or dead. Replace the AAA batteries. | | Alarm didn't go off | Check that the Alarm Icon (AL1 or AL2) is visible on the display. Ensure the volume is not set to zero. |
A common complaint in user feedback regarding the Thomson BTC2138 is that the display is too bright for a dark bedroom.
The easiest way:
If no DAB signal (or to set manually):
5V/1A (5W) is what iPhones used in 2012. A modern smartphone plugged in while using GPS or video will discharge faster than this charges.

