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2.3 The Keypad Keys and Their Functions
The Voice Conferencing System has a standard dial keypad, as shown in the
illustration below. (The keys that are not labeled are reserved for future use.)
The keypad is "hot," meaning that the VCS will go off hook automatically
when you start dialing—you don't have to press the ON/OFF button first.
See Chapter 4 for more information on functions.
1
GHI
4
PRS
7
*
ON/OFF: Press this key to either begin a call by "going off hook" (that is, by "picking
up the phone") or end a call by "going on hook" (that is, by "hanging up"). When
the VCS is on hook, the two LEDs on the main module are solid red. When it is
off hook, the LEDs are solid green.
MUTE: Press this key for privacy. The LEDs will flash red and the microphones will be
turned off. When you are ready to resume discussion with the party at the other
end of the line, press this key to un-mute the microphones. The LEDs will stop
flashing red and will shine solid green.
REDIAL: Press this key to redial the last number dialed.
FLASH: Press this key to generate a "switch-hook flash."
VOLUME UP: During a call, press this key to increase the loudspeaker volume.
VOLUME DOWN: During a call, press this key to decrease the loudspeaker volume.
ABC
DEF
2
3
JKL
MNO
5
6
WXY
TUV
8
9
0
#
CHAPTER 4: Operation
ON/
OFF
MUTE
RE-
DIAL
FLASH
VOL
+
VOL
_
5
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