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4
OPERATION
4.1
HEADSET BUTTON OPERATION
Operation of the Headset button depends on the position
of DIP switch 4 on the back panel (page 9):
4.1.1
DIP switch 4 in Open position (default)
•
Startup Settings: The panel mic connector (Mic) and
the back panel Speaker connector will both be on.
The Headset connector will be off. The Headset
button and LED will be off.
•
Headset Button Off: Talk with a panel microphone
and listen with a speaker.
•
Headset Button On: Talk and listen with a headset.
4.1.2
DIP switch 4 in Closed position
•
Startup Settings: The Speaker connector will be on at
startup. The microphone input of the Headset
connector will be on. The Headset button and LED
will be off.
•
Headset Button Off: Listen with an external speaker
and talk using a dynamic microphone connected to
the Headset connector.
•
Headset Button On: Listen with headphones
connected to the Headset connector and talk with a
panel microphone connected to the Mic connector.
4.2
VOLUME ADJUSTMENT
Adjust speaker or headphone listen volume with the Vol-
ume control.
If you are using a headset, you can also adjust the
level of your own voice in the headphones. See
Sidetone Adjustment, page 17.
4.3
INTERCOM KEY OPERATION
4.3.1
Momentary vs Latching Operation
For momentary key activation, press and hold an intercom
key. For latching operation, tap the key to turn it on, and
tap it again to turn it off.
If the LED next to a key does not turn on when the
key it activated, this means the key is not currently
assigned.
The electronic latching feature (DIP switch 5) must
be enabled in order to use latching. See page
details.
4.3.2
Intercom Key Operation for Different
Types of Key Assignments
Basic Talk and/or Listen Key Operation: The down po-
sition activates talk (if assigned). The up position acti-
vates listen (if assigned). Talk and listen may be latched
on or off independently by tapping up or down.
The following paragraphs describe special types of
key assignments called special functions. These types
of key assignments can only be set up using the
ADAMedit or ZEUSedit software, and they are
described in detail in the software help file. To find
out if a key has a special function assignment, you
can display the key's assignment as described under
"Displaying Key Assignments" on page 17. If a
special function is assigned to a listen key, you will
see AF, or AL, etc. when you display the key
assignment.
Talk+Auto-follow (AF) Listen Key Assignment: This
key assignment works the same as the basic talk/listen
key assignment: The down position activates talk, and the
up position activates listen. Talk and listen may be turned
on or off independently by pressing up or down.
Talk+Auto-listen (AL) Listen Key Assignment: The
down position activates both talk and listen. However,
only the talk LED will turn on. If talk is on, you cannot
turn off listen. If talk is off, you can turn listen on inde-
pendently by pressing up.
Talk+Auto-mute (AM) Listen Key Assignment: The
down position activates talk. And, if listen is on, it auto-
matically turns off until talk is released. When talk is off,
listen may be turned on independently by pressing up.
User Instructions MKP-4 Keypanel 15
9
for
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