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FUNCTION
TONE Momentary contact switch.
Pressing the TONE switch
when in the normal mode enables
a 1020 Hz tone on the
selected frequency, unless
TOD has been accepted in
which case a1667 Hz-tone is
heard prior to the 1020 Hz
tone. When A-3-2-T switch is
in A, it enables TOD transmission
followed by a 1020 Hz
tone on the selected frequency.
When A-3-2-T switch is in
T, it initiates the emergency
startup of the TOD clock.
When in the load mode. Pressing
the TONE switch with
channels 1, 14, or 15 through
20 selected in the manual
mode enters the MWOD data
into non-volatile memory.
Pressing the TONE switch
when in the erase mode,
erases all MWOD data from
non-volatile memory.
VOL Rotary control used to adjust
radio output volume.
SQUELCH Switch Two position toggle switch to
select radio squelch mode.
OFF Squelch is disabled
ON Squelch is enabled
Frequency Mode
Selector
Three position rotary control
used to select frequency tuning
mode.
MANUAL Permits manual frequency
selection using frequency controls.
PRESET Permits selection of preset
channel frequencies in radio
set (maximum of 20 channels).
GUARD Automatically disables the antijam
mode and tunes radio set
to guard channel frequency
(243.000 MHz).
Frequency Selectors
Five rotary controls used to select
radio operating frequency
or state.
TM 1-1520-240-10
3-2-7
CONTROLS/
INDICATOR
FUNCTION
100 MHz Control
(A-3-2-T)
Four position rotary control
switch
A Selects anti-jam mode.
3 Hundreds digit of desired frequency
while in the normal
mode.
2 Hundreds digit of desired frequency
while in the normal
mode.
T Momentary spring-return position
which enables the radio to
accept a new TOD for up to
one minute after selection.
Also used in conjunction with
the tone button in the emergency
startup of the TOD clock
when TOD is not available
from external sources.
10 MHz Control Ten position (0 through 9)
rotary control used to select
second digit of operating frequency.
When in AJ mode, it
selects the first digit of net
number.
1 MHz Control Ten position (0 through 9)
rotary control used to elect
third digit of operating frequency.
When in AJ mode, it selects
the second digit of net number.
0.1 MHz Control Ten position (0 through 9)
rotary control used to elect
fourth digit of operating frequency.
When in AJ mode, it
selects the third digit of net
number.
0.025 MHz Control Four position rotary control
used to select fifth and sixth
digits of operating frequency.
Operates in 0.025 MHz increments.
When in the AJ mode,
it selects the appropriate frequency
table within the radio
net.
Frequency Display Six digit display (200.000
through 399.975) displays selected
radio operating frequency.
CONTROLS/
INDICATOR
FUNCTION
Channel Selector Used to select and display any
of the 20 preset radio frequency
channels.
CHAN Displays selected preset channel.
PRESET Switch
(Under channel/frequency
card)
Momentary contact switch.
when depressed causes selected
radio frequency entered
on frequency display to be
stored in channel indicated on
channel display, in normal operation.
3-2-11. Normal Operation – UHF-AM Have Quick II
Radio.
The following steps provide operating procedures.
a. Starting.
(1) Interphone control panel — Set switches as
follows.
(a) Receiver 2 switch — ON.
(b) Function select — 2.
(2) Function switch — MAIN or BOTH.
(3) Mode selector — As required.
(4) SQUELCH switch — As required.
(5) VOL control — As required.
b. Presetting Channels. Perform the following steps
to preset a channel to desired frequency.
(1) Set the Frequency Mode Selector to PRESET.
(2) Use the manual frequency selector switches
to select the frequency to be placed in memory.
(3) Turn the preset channel control switch to the
desired channel number.
(4) Raise the cover under the channel card.
Press and release the PRESET switch. Close the cover.
(5) Using a soft lead pencil, record the frequency
selected for the channel number on the card provided.
c. Stopping. Function switch — OFF.
3-2-12. Anti-Jam Operation — UH-AM Have Quick II
Radio.
The following steps provide AJ operating procedures.
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
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