KING
KY 196/196E/KY 197/197E
VHF COMMUNICATIONS TRANSCEIVER
SECTION III
OPERATION
3.1 OPERATING PROCEDURE
3.1 .1 TURN ON
To turn on the unit, rotate the VOL knob clockwise from the OFF position. A non-volatile memory stores
frequency and mode information on power down. When power is activated the USE and STANDBY windows will
display the frequencies displayer::lat power'down and the mode of operation will be the same as at power
down. Frequencies stored in memory channels are also retained.
After activating power, pull the VOL knob out to override the automatic squelch and rotate the VOL knob
to the desired audio level. Push the VOL knob back in to activate the automatic squelch.
NOTE
THE KY 196/197 SHOULD BE TURNED ON ONLY AFTER ENGINE STARTUP.
THIS IS A SIMPLE PRECAUTION WHICH HELPS PROTECT THE SOLID STATE
CIRCUITRY AND EXTENDS THE OPERATING LIFE OF YOUR AVIONICS
EQUIPMENT.
3.1.2 TRANSMIT INDICATOR
During COMM transmission, a lighted "T" will appear between the USE and STANDBY windows to indicate that
the transceiver is in the transmit mode of operation.
3.1.3 MODES OF OPERATION
A. Frequency Mode
In the Frequency Mode of operation frequencies are entered into the STANDBY window of the
display and can then be transferred into the USE window by pressinq the transfer button. The
Frequency Mode may be entered either by entering the Program Mode and entering rlashes (---)
into Channel 0 or alternately may be entered from the Direct Tune Mode.
To select frequencies in this mode, the MHz portion of the frequency displayed in the STANDRY
window may be incremented or decremented in 1 MHz steps by rotatinq the MHz knob either
clockwise or counterclockwise. MHz frequencies will rollover or roll under at each band edqe
(118 or 135 MHz). The KHz portion of the frequency displayed in the STANDRY window may be
incremented or decremented by rotating the 25K/MEM knob either clockwise or counterclockwise.
Frequency selection is in 50 KHz steps when the 25K/MEM is pushed in and is in
'-5
~Hz stees
when the 25K/MEM is pulled out. ~Hz frequencies rollover from 95 to 97 to OQ and roll under-
from 00 to 95 or 97 according to the position of the 25K/MEM knob. Frequencies are
transferred from the
STANDBY
to the USE window and vice versa by depressinq the transfer
button.
B. Program Mode
The Program Mode is used to program frequencies into memory for later recall and to select
either the Frequency Mode or the Channel Mode of operation.
To enter the Program Mode:
1. Depress and hold the transfer button until a flashing Channel number appears in the US~
window of the display (approximately three (3) seconds).
2. Pull the 25K/MEM knob out and rotate it until a "0" appears in the USE window.
3. Push the 25K/MEM knob in and rotate it until "uuu" is displayed in the
STANDRY
window of
the display.
Rev. 3, September, 1983
IM0035-5
Paqe ~-1
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