Ensure the device is in by pressing the STANDBY button if necessary.
Reposition the antenna wire away from other electronics or power strips, which can cause electromagnetic interference. 🎛️ Technical Specifications Reference AC 100-240V, 50/60Hz (via external DC adapter) Bluetooth Version: 4.2 / 5.0 compatible profiles FM Frequency Range: 87.5 — 108 MHz thomson bluetooth digital alarm clock radio btc2138 manual
| 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. | Ensure the device is in by pressing the
Press the button one last time to save settings. A solid indicator icon will appear next to the alarm label on the display. Managing a Ringing Alarm | | Bluetooth not pairing | Ensure no
: On your smartphone or tablet, search for available Bluetooth devices and select Thomson BTC-2138 (or a similar variant) to pair.
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.
Charging port dedicated to powering external mobile devices. AUX IN: 3.5mm audio jack for wired media players. FM Antenna: Wire antenna used to improve radio reception.