Doc.No.: 08400-006-DE
Page 11 of 19
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4.6. 12 LINES BATTERYLESS TELEPHONE WITH AMPLIFIER, TYPE 4061
- Handset with PTT button.
- Noise cancelling microphone.
- Piezo - electric buzzer for call indication.
- Call led.
- 20 seconds call delay timer. (24 VDC required)
- Call stop button.
- Call line rotary selector switch.
- Back lightning of the line selector and the call stop button. (24 VDC required)
- Extreme low current drain speech amplifier.
5. BASIC MEANS OF OPERATION
5.1. GENERAL
The batteryless telephone system is operated by means of the handset with PTT switch,
the call line selector switch, (not 4050/4051) and the call generator crank.
There is no priority between units in the system and several users can use the system
simultaneously. All users will then join the same conversation/conference call.
The units are equipped with screw terminals for connection of a headset, type 9010.
5.2. MAKE A CALL TO ANOTHER STATION
- Lift the handset. (See illustration next page)
- Select the line by means of the line selector (not applicable to 4050/4051)
- Crank the generator 3-5 turns.
5.3. ANSWER A CALL FROM ANOTHER STATION
- The telephone will sound the call tone and light the call indicator led (red)
- Lift the handset (See illustration next page) and press the PTT button.
Keep the PTT button pressed at all times during conversation.
- Optional headset: Set the PTT switch to ON and answer the call.
- If external power is connected to the system, the call delay timer will keep the call
indicator led lit (green) for about 30 seconds. Press the “CALL STOP” button (on the
telephone or the headset plugbox, type 4018) to turn it off manually before automatic
time out.
- Additional external signal devices will be activated together with the call indicator led.
5.4. TERMINATE A CONVERSATION
- Replace the handset in the holder. (See illustration next page)
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