Altech ALEC-42090D - 10 Cleaning; 11 Restoring the Factory Settings

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2. Remove the batteries from the back side.
3. Insert two new batteries (type LR03/Micro/AAA) according to the marking.
4. Position the room control unit Display onto the installation bottom and latch
it in.
9 The display changes to normal indication.
9 The device is ready to operate.
10 Cleaning
Clean the device with a soft, clean, dry, and lint-free cloth. In order to remove heavy
contamination, moisten the cloth slightly with lukewarm water. Use a solvent-free
detergent for cleaning.
11 Restoring the factory settings
The reset to factory setting will delete all settings made by the user.
1. Take off the device from the installation bottom (see page 5, fig. 4).
2. Remove the batteries.
3. Re-insert the batteries according to the marking in the battery compartments.
At the same time press the system key D for 4 seconds until the LED flashes
rapidly in orange.
4. Release the system button.
5. Press the system key again for 4 seconds until the LED lights up in green.
6. Release the system key.
9 The device restarts.
9 The factory settings are restored.