
Panel User Guide Issue 1.4 4000 Digital Series II
Page 90 STA0380
i) Non-active DAK has black text on a yellow background,
ii) Active 'talk only' DAK has red text on a black background,
iii) Active 'listen only' DAK has green text on a black background,
iv) Active 'talk and listen' DAK has red text on a black background. The green LED on the associated
pot switch is also illuminated.
NOTE: When an incoming call is present, the LCD key flashes to indicate that the LCD key should be
pressed to respond to the call.
If the pot switch (configured with a valid port entry) is pressed, both red and green switch LEDs are
illuminated.
4.7.14 Headset Socket
The 5 pin Headset Socket is used to connect an optional headset for use when the optional microphone
and loudspeaker are not required.
(Headsets should be used in areas where a number of control panels are used in close proximity, this
should avoid any possibility of howlround occurring).
Consult the Vitec Group Communications Installation Guide for fur-
ther details.
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