Zamel PDH-250 Manual De Usuario página 12

The buttons are programmed individually (in order to add a new button, you
must enter the programming mode again).
The first button programmed to the door chime always plays the cur-
rently selected melody.
b) Selective removal of buttons
1. Press and hold (for about 2 s) "VOLUME" button on the door chime until
green LED in the door chime starts flashing.
2. Press the button to be removed from the door chime – green LED in the
door chime will turn on and off, which means that the button has been
correctly removed.
In order to exit the selective removal mode earlier (without removing the
button), press the VOLUME or MELODY button briefly – LED will be off.
c) Removal of all buttons and restoring default settings
1. Disconnect power supply of the door chime (remove the door chime from
the 230 V AC socket).
2. Press and hold the VOLUME button on the door chime.
3. Keep the VOLUME button pressed and switch on the power supply of the
door chime (put the door chime in the 230 V AC socket).
4. The green LED will light up permanently.
5. Stop holding the VOLUME button.
6. The LED in the door chime will flash 3 times – this means that all pilots
have been correctly removed.
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