DRAKE 4000 series II Podręcznik Użytkownika Strona 71

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4000 Digital Series II Issue 1.4 Panel User Guide
STA0380 Page 41
3.8.17 Headset Select Pushbutton
The Headset Select Pushbutton is used to select headset operation. The red LED is illuminated to
indicate that the headset microphone is active and the detachable microphone and loudspeaker are
muted.
3.8.18 Reply Key
This DAK is designated to respond to any unscheduled calls. The green LED indicator on the REPLY
Key only flashes to signal the presence of an unscheduled call, when a DAK is unavailable, (i.e. to
indicate that the call can only be responded to by the Reply Key).
The Reply Key can only respond to the call mnemonic displayed. All other incoming calls are placed in
a queue and have to be accessed in turn. The latest call is placed at the front of the queue. The maximum
number of calls in this queue is ten.
If the DAK is used to respond to a call, then the Reply Key displays the next call in the queue.
3.8.19 Loudspeaker Cut Pushbutton
Press the pushbutton to disable the internal loudspeaker. The red LED is illuminated. Another press will
enable the loudspeaker again.
3.8.20 Level Control Pushbutton
Press the pushbutton to enable the crosspoint level of a Listen Route to be adjusted. The red LED is
illuminated. Another press will revert to normal Control Panel operation.
NOTE: If no action is taken within 20 seconds of pressing the pushbutton then the system will revert to
normal operation.
3.8.21 Crosspoint Level Control
The Rotary Level Control is used to adjust the crosspoint level at the panel for any incoming audio
associated with a depressed DAK and can be adjusted over a range of values from 0.0 to 10.0 in 0.5
steps. The values correspond to a gain range of -70dB to +12dB, where the default value of 5.0
corresponds to approximately 0dB. Turn the Rotary Encoder clockwise to increase the Crosspoint
volume, anti-clockwise to decrease the volume, when in each selected level control mode.
1. Press the Level Control Button.
2. Press and hold the required key and adjust the rotary level between 0 -10.
3. Press the Level Control Button to exit crosspoint mode.
NOTE: If no action is taken within 20 seconds of pressing the pushbutton then the system will revert to
normal operation.
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