■ Optional Signaling
Your dealer may also program several types of optional
signaling for your transceiver channels.
2-tone Signaling: 2-tone Signaling opens the squelch only
when your transceiver receives a call containing matching 2
tones.
DTMF Signaling: DTMF Signaling opens the squelch only
when the transceiver receives a call containing a matching
DTMF code.
FleetSync Signaling: Refer to "S
C
)" on page 17.
ALLING
MDC-1200: MDC-1200 is a data system using Audio
Frequency Shift Keying (AFSK). Transceivers communicate
at a 1200 baud rate, using 1200 Hz and 1800 Hz tones.
VOICE OPERATED TRANSMISSION (VOX)
VOX can be activated or deactivated by your dealer. VOX
operation allows you to transmit hands-free.
Note: To operate VOX, you must use an optional KHS-11, KHS-14,
KHS-15-BH, or KHS-15-OH headset.
■ VOX Gain Level
1 Connect the headset to the transceiver.
2 Press the key programmed as VOX.
•
The current VOX Gain level appears on the display.
3 Press
level.
•
The VOX Gain can be adjusted from levels 1 to 10.
4 While adjusting the level, speak into the headset
microphone to test the sensitivity level. (Your voice is
not trasmitted during this test procedure.)
•
When sound is recognized, the LED lights orange.
5 Press
/
to increase or decrease the VOX Gain
to save the setting.
(S
ELCALL
ELECTIVE
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