Thomson Bluetooth Digital Alarm Clock Radio Btc2138 Manual |work| Jun 2026

| Problem | Likely Fix | |---------|-------------| | No DAB signal | Extend antenna fully; move near a window; re-scan. | | Bluetooth not pairing | Ensure no other device connected; forget device on phone and re-pair; power cycle clock. | | Alarm doesn’t sound | Check alarm icon is on; volume not zero; wake mode not set to "Bluetooth" with no device connected. | | Time resets after power loss | AAA batteries are dead or missing – replace them. | | Display too bright/dim | Use Dimmer button repeatedly. | | No sound from radio | Volume up; antenna extended; station in range. |

The BTC2138 can store up to 20 FM stations . To save a station, press the TIME SET / MEMORY button while in FM mode and use the PRESET button to assign it a slot (P01–P20).

The BTC‑2138 is equipped with —a great feature if you and your partner have different wake‑up times or if you simply want a backup alarm. You can wake to either the buzzer or the FM radio . thomson bluetooth digital alarm clock radio btc2138 manual

When you first plug the Thomson BTC2138 into a wall outlet, the LED display will flash, indicating that the clock needs to be set. Step 1: Install Backup Batteries

Most units require you to hold the button, not just press it. | Problem | Likely Fix | |---------|-------------| |

Use the buttons to select your desired preset slot number. Press CLOCK / MEMORY again to store the station.

The easiest way:

Switches the unit on/off and cycles through audio inputs. Volume +/- Buttons: Adjusts the audio output level.