BendixKing KHF 990 - Manual (Page 29)

Description
2-4 KHF 950/990 Pilots Guide
Rev. 0
Dec/96
1
S
T
HF
OFF
TEL AM
USB
LSB
A3J
A3A
VOL
SQ
2236
CH
M
H
Z
K
H
Z
KFS 594 in
A3J (or A3A)
MODE
Mairitime
radiotelephone ITU
channel number
appears in this area
of the display when
EMISSION MODE
switch is in A3J or
A3A position.
1
S
T
HF
OFF
TEL AM
USB
LSB
A3J
A3A
VOL
SQ
1231
12 - 31
CH
M
H
Z T
X
K
H
Z
Pilot programmed
channel number
appears in this area
of the display when
using one of the 19
programmable
channels.
Gas discharge
readouts display all
frequencies and
preset channel
numbers.
Last for digits (kHz)
of operating
frequency are
display in this area
of the display with
EMISSION MODE
switch in LSB*, USB
or AM position.
OFF/VOLUME knob
(inner concentric)
turns system on and
adjusts audio
volume.
SQUELCH knob
(outer concentric)
helps reduce
background noise
when not receiving
a signal.
EMMISSION MODE
switch (outer
concentric) selects
lower sideband
(LSB), AM modes,
and a choice of
either A3J or A3A in
maritime
radiotelephone
network channels.
FREQUENCY/CHANNEL
CONTROL knob (inner
concentric) allows the pilot
to perform a variety of
channel and frequency
changing functions.
Depressing switch causes
flashing "cursor" to move to
the digit that the pilot desires
to change. Appropriate
frequency or channel is then
selected with rotary action.
This switch also serves as
the clarifier function to
adjust receive frequency and
improve speech quality in
single sideband operating
mode.
STO (store) switch
stored displayed
frequency in memory.
When pressed
simultaneously with
microphone push-to-talk
switch, transmits 1,000
Hz "operator attention"
tone as required by
some Canadian
radiotelephone stations.
Photocell dims
display
automatically.
Smaller gas
discharge
characters display
transmit indication. With EMMISSION
MODE switch in
LSB*, USB or AM
position, the first
one or two digits
(MHz) of the
operating frequency
are displayed here. Dash indicates unit
is in the PROGRAM
MODE.
Figure 2-2 KFS 594 Control Display Unit
KFS 594 in A3J (or A3A) Mode
Figure 2-3 KFS 594 in A3J (or A3A) Mode