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lluminates when selected PLT or NFO, indicating crewman in command of
acan.
Figure 19-5. Pilot TONE VOLUMBTACAN CMD Panel
ORIGINAL IQ-8
NAVAIR Of-l=14AAD-f
NOMENCLATURE
0
VOL corltml
0 Squelcshw itch
0 FrequenWoyle ct
swltohes (sprtng return)
@
Fl?EQ/(CHANd) isplay
0
UHF mode selector
FUNCTION
Ad).@@le vel of audio signal. Clockwise rotatlon increases audio level.
RIO’s adjustments made only vla the RFCI.
SQL - Squelch &cult Is operational and background noise Is removed
by reducing receiver galn.
OFF - Disables squelch circuit restorlng receiver to full galn.
Four frequency tunlng switches are used to tuna transceiver when the tunlng
selector wit@ Is set to MAN (manual). The spring-loaded switches
Inuease the frequency In the up position and decrease frequfnxy In the
down poslon. The left switch controls the hundreds and tens dlgits, the
second switci~ controls units, the thlrd switch controls tenths, and the right
w&h controls hundredths and thousandths.
Dlsplays Incandescent dlgilal readouts of selected frequency or channel. In
TEST mode lndlcates receiver transmittef fault locatlons.
Operational when tuned to frequencies In the 225.000 to 399.ooO MHz band.
AM- Selects amplitude modulatlon signals. Varies with atmospheric
conditions, susceptible to electromagnetic Interterence.
FM- Selects frequency modulation slgnals. Reduces electromagnetic
Interference.
Figure 19-6. AN/ARC-182 V/UHF Control Panel (Sheet 1 of 2)
19.9 ORIGINAL
NAVAIR 0%F14AAD-l
NOMENCLATURE I FUNCTION
t
____.. -.__-..-~~~
8
BRT control Varies the FREQ/(CHAN) display light intensity. Clockwlse maximum
intensity.
3
MODE swttch OFF - Secures V/UHF radlo, unless frequency mode switch Is set to 243.
T/R - Energizes transmitter and main receiver.
T/R&G - Energizes transmitter, main, and guard recetvers.
DF- Provides automatic dlrectlon flndlng from 108 to 399.975 MHz.
TEST - lndlcates built-in-test (BIT) RT, displayed on FREQ/(CHAN)
indicator. Refer to Built-In-Test this chapter. Generates lo#) Hz
unattenuated tone.
@
TOD switch Rcv- Allows reception of TOD messages on preset channel selected.
SEND - Allows transmlsslon of TOD messages on preset channel
selected.
@
NORM/Al switch NORM - Used for normal V/UHF communlcatlons.
AIJ- Provides @II reslstant communlcatlons.
@a
Frequency mode switch 243- Turns on the receiver-transmitter (takes precedence over
(outer dlat) operational mode controt) and causss the transmitter maln
receiver, and guard receiver to tune to 243.ooO MHz (UHF guard
frequency). All functions except VOL, SQL and BRT are disabled.
MAN - Permits manual selectlon of an operating frequency using me
frequency tuning switches. Ttansmttter and mcelver ara d&bled
during a frequency change.
G- Tunes me receiver-transmitter to me guard frequency In the band
to which me RT was last tuned.
PRESET - Allows selection of any 1 of 40 present operatlng frequencies wltf
CHAN SEL switch. Selected channel Is dlsplayed In the two
center diglt readouts of the FREC/(CHAN) dlsplay. Channels 31
through 40 are for Have Quick (antIJam) use.
READ - Dlsplays me frequency (rather man channel) of preset channel
selected.
WAD - Automatlcally places the dlsplayed frequency Into the memory for
me selected preset channel.
0
CHAN SEL swlt& (JnnH Enables any 1 of 49 preset channels when the frequency mode svdtch tS Set
dial) to PRESET.
Figure 19-6. AN/ARC-182 VKJHF Control Panel (Sheet 2 of 2)

　
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