- Before using the unit, you need to put the LOCK-switch to position "ON" (green). In "OFF" (red) - position the Bluetooth function is deactivated and all buttons are locked.
- Press and hold the S-button for at least 3 seconds. Press M-button to adjust the actual month.
- Press the S-button to confirm the setting.
- Proceed accordingly for the input of day, year, hour and minute (as described before).
- On completion of the date and time setting, "Ok" appears on the display.
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