DRAKE 4000 series II Podręcznik Użytkownika Strona 40

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Panel User Guide Issue 1.4 4000 Digital Series II
Page 10 STA0380
NOTE: For the above functions, the destination can be a single or group of panels, or a single or group
of external sources, conferences or IFBs.
3.3.3 Talk Tally LED
This Red LED indicates that the button action is active (either latched or transient), dependent on
individual programming/assignment. This LED will flash when the destination is busy if this feature is
enabled.
3.3.4 Listen Tally LED
This Green LED indicates that an audio is being received by the Control Panel from the source
associated with the DAK.
3.3.5 PD4215 Direct Access Key Indicator LED
The coloured LEDs associated with the Direct Access Keys (DAKs) have the following meanings:
Red (R) means “Talk” (key pressed).
Green (G) means “Listen” (incoming audio from that source).
Orange (O) means activity (a mix of Talk and Listen).
3.3.6 Designation Strip
This strip indicates the assignments that have been programmed for the DAKs.
NOTE: Designation strips can be printed using the CMAPSi print facility.
3.3.7 Microphone Mute Pushbutton
Press the Microphone Mute Pushbutton to mute the active microphone. The red LED is illuminated whilst
the microphone is muted. Another press will re-enable the microphone.
3.3.8 Main Volume Control
Turn the Main Volume Control clockwise to increase the intercom volume, anti-clockwise to decrease
the volume. The volume level indicator LED changes colour according to the volume setting; green
indicates a low setting, green and orange an intermediate setting and red a high setting.
3.3.9 Loudspeaker
Audio is output from the loudspeaker unless the Headset Select is engaged.
A panel fitted with the PDE4537 options card can be connected to a
powered external loudspeaker.
Contact Vitec Group Communications for suitable External Loud-
speaker options
Your panel loudspeaker reduces volume automatically when a talk key
is pressed. This is to help reduce the chance of howlround (audio
feedback) occurring.
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