4. Set mode (LSB,USB or AM).
d. Operating Procedures .
5. Set desired frequency (refer to
1. AVIONICS MASTER switch - ON.
6. Push and release STO button twice.
clockwise out OFF position. Adjust
3. Squelch - Adjust as desired.
The first press of the STO button
4. Clarifier - Adjusts desired.
stores frequency in the receive
5. Mode of operation - Select.
position and the second press stores
the same frequency in the transmit
program as desired.
The second push also
stores the cursor.
e. Shutdown Procedures .
1. OFF-VOLUME switch-OFF.
2. AVIONICS MASTER switch -OFF.
If another channel is to be reset, use
the smaller concentric knob to select
3-12. Radio Telephone (KT 96)(Optional).
the channel and repeat the steps for
selecting a new frequency.
a. Description. The radio telephone is installed
cursor was automatically stowed. To
directly behind the copilot's seat. Its 10 watts of UHF
return to one of the operating modes,
transmitting power provides full line-of-sight range.
push the PGM button again.
Range depends on the aircraft's altitude. A range of 110
miles is typical at an altitude of 1000 feet. The unit
(c) Semi-duplex. Setting a channel for
incorporates 12 two-way channels, plus one signalling
semi duplex (transmit on one frequency and receive on
channel on which the telephone listens for any incoming
calls. The radio telephone rings incoming calls through
the cabin speakers. If the call is not answered after forty
1. Select channel to be preset.
five seconds, the radio telephone stops ringing and goes
back to listening on the signalling channel. Power is
2. Set desired frequency
provided to the unit through a 5-ampere circuit breaker,
placarded TELEPHONE, located on the copilot's circuit
3. Set mode (LSB,USB, or AM).
b. Controls and Functions.
4. Push STO button once.
(1) Volume control knob . The volume (VOL)
5. Set transmit frequency.
control knob allows for adjustment audio.
6. Push STO button again.
(2) Indicator light . The red indicator light will
illuminate when the handset is removed from the cradle,
If another channel is to be reset, use the smaller
and the CHAN SEL button is pressed.
concentric knob to select the channel and repeat the
(3) Hang up button. Pressing the HANG UP
button disconnects any incoming calls. If you are unable
7. To return to operating mode, push
to answer a incoming call, press the HANG UP button.
the PGM button.
This however, will require the caller to replace his call.
(4) Channel display window.
channel number as selected by the channel selector
The mode for each channel (LSB,
knob. Channel numbers are derived from a map of
USB AM) is stored along with the
ground-air telephone facilities.
system will receive and transmit in
the mode selected for transmit.
Change 10 3-11