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Adjusting the volume at the external unit
The volume of the microphone (volume on internal unit) and the loudspeaker (volume on external unit) can be
adjusted using the potentiometers on the printed board of the external unit. Turn clockwise to decrease the
volume, turn counterclockwise to increase the volume.
Position
Function
Ei
Н
|
.
«|
IQ
2 +
potentiometer for loudspeaker (volume on external unit)
D
D
= + potentiometer for microphone (volume on internal unit)
INTERNAL UNIT
The different function possibilities of the video internal unit per key:
Function key A:
- Standard function: door open key
|
©
- can also function as door open and light switch key (if
installed)
Operation: if the receiver is put down, function key A
switches the light relay of the power supply module. If the
receiver is picked up, function key A switches the door
key contact of the power supply module.
Function key 1:
те,
Press for 1s. to switch off the ring tone of the internal
YA '©
unit. The red LED at the left of function key 1 lights.
Press again for 1s to reactivate the ring tone. The red LED goes out.
Function key 2:
= O
Activates the camera for 70s.
Function key 3:
| О
Switches an additional relay (if installed).
Rotary key B:
|
- turning clockwise increases the brightness;
- turning counterclockwise decreases the brightness.
Rotary key C:
- turning clockwise increases the ring tone volume;
CP
- turning counterclockwise decreases the ring tone volume
12
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