Press the button again to confirm the hour; the minute digits will flash. Use the TUNING UP / DOWN buttons to adjust the minutes.

High-contrast LED with adjustable brightness dimming.

Cycle the button until the display shows "bt" or a flashing Bluetooth icon.

Note: Pay close attention to the on the display to ensure you are setting the correct 12-hour cycle (if applicable).

Shows the current time, active alarms, PM indicator, and connection status icons.

The is a digital alarm clock radio featuring Bluetooth audio streaming, an FM radio, and a dual alarm system . While a model-specific manual for the BTC2138 is not readily available online, its operation follows the standard interface used across the Thomson Bluetooth clock radio lineup. Core Features Audio : Bluetooth wireless streaming and FM radio. Alarms : Dual alarms (AL1 and AL2) with a sleep timer.

Thomson Bluetooth Digital Alarm Clock Radio BTC2138: Complete User Manual and Troubleshooting Guide

Press and hold to turn the unit on or off. Short press to cycle through modes: Clock, Bluetooth, FM Radio, and Aux-In.

Cycle the button until an FM frequency appears on the display.

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Even reliable devices can have an off day. Here are solutions to some common issues you might encounter.

This happens when the backup batteries inside the bottom compartment are completely drained or improperly installed. Unplug the unit from the wall, open the bottom plastic tab, and replace the old cells with fresh batteries to preserve your time settings moving forward.

Press and hold the Time Set button until the clock digits flash.