9
HF
TRANSCEIVER
PILOT'S OPERATING HANDBOOK
(TYPE PT10-A)
SUPPLEMENT
1.
FREQUENCY CHART - Shows the frequency of the channel in use (frequencies
shown may vary and are shown for reference purposes only).
2.
CHANNEL SELECTOR - Selects channels 1 thru 10 as listed in the frequency
chart.
3.
CHANNEL READOUT WINDOW - Displays channel selected in frequency
chart.
4.
SENSITIVITY CONTROL - Controls the receiver sensitivity for audio gain.
5.
ANTENNA TUNING METER - Indicates the energy flowing from the transmit-
ter into the antenna. The optimum power transfer is indicated by the maximum
meter reading.
6.
ON/OFF VOLUME CONTROL - Turns complete set on and controls volume of
audio.
Figure 1.
HF
Transceiver (Type PT10-A)
1 July 1979
9
PILOT'S OPERATING HANDBOOK
HF
TRANSCEIVER
SUPPLEMENT
(TYPE PT10-A)
SECTION 3
EMERGENCY PROCEDURES
There is no change to the airplane emergency procedures when this
avionic equipment is installed.
SECTION 4
NORMAL PROCEDURES
COMMUNICATIONS TRANSCEIVER OPERATION:
1.
XMTR
SEL
Switch (on audio control panel) -- SELECT transmit-
ter.
2.
SPEAKER/PHONE Selector Switch (on audio control panel)
SELECT desired mode.
3.
VOLUME Control -- ON (allow equipment to warm up and adjust
audio to comfortable listening level).
4.
Frequency Chart -- SELECT desired operating frequency.
5.
Channel Selector -- DIAL in frequency selected in step 4.
6.
SENSITIVITY Control -- ROTATE clockwise to maximum posi-
tion.
NOTE
If receiver becomes overloaded by very strong signals,
back off SENSITIVITY control until background noise is
barely audible.
NOTE
The antenna tuning meter indicates the energy flowing
from the airplane's transmitter into the antenna. The
optimum power transfer is indicated by the maximum
meter reading.
7.
Mike Button:
a.
To Transmit -- DEPRESS and SPEAK into microphone.
NOTE
Sidetone is not available on this radio.
b.
To Receive -- RELEASE mike button.
1 July 1979
3