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2
Connection to telephone
IMPORTANT
The microphone volume is to be adjusted when installing. See next page.
1 2
3
Only mains transformer of Helms-Man DEN4824129 or DBN4824129 (UK)
may be connected.
Microphone
LEDs
Loudspeakers
On/off button
- button
Mute button
+ button
Trim button
6 m 3 m