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system functions are monitored.
Any failures cause a NOGO
advisory, accomplished
by the portion of system
which failed, to appear on
line 5 of the display. C-Bit failures
are stored in nonvolatile
memory.
Store RTN line-select key, used to
terminate edit mode, automatically
stores any
change(s) made.
DataFill Contains preset frequencies,
scan lists, addresses, data
messages and ALE and/or
ECCM parameters. With system
in STBY, press the FILL
line-select switch. Use VALUE
switches to select DATA
in the fill TYPE: field (line 2).
Connect data transfer devise
(DTD) of DATA connector on
radio set control front panel
and initiate fill from the DTD.
LOADING is displayed during
datafill. LOAD COMPLETE
is displayed for successful
fill, LOAD FAIL displayed
if fill cannot be completed.
(NOTE: using an AN/
CYZ-10 DTD, the radio set
control displays DTD DETECTED
when DTD is detected).
A copy of loaded datafill
can be sent to DTD by
pressing COPY line-select
switch. COPYING is displayed
during operation,
COPY COMPLETE displayed
if successful, COPY FAIL if
copy cannot be completed.
Press RTN line-select switch
to return to STBY screen
when datafill is complete.
Disconnect the DTD.
CONTROLS/
INDICATOR
FUNCTION
Key Fill Loads secure keys. From
STBY screen, press FILL
line-select switch. Use VALUE
switched to select KEY in
fill TYPE: field. Connect DTD
to KEY connector on radio
set cotnrol panel. Use VALUE
right arrow switch to select
key number (1 through 6)
to be loaded. Initiate keyfill
from DTD. LOADING is displayed
during keyfill, LOAD
COMPLETE if successful.
LOAD FAIL may cause interference
to other stations. Default
is ON. LBT: (listed before
talk) - This field is used
for manual, preset, or conventional
(non-ALE) ECCM
operation and turns LBT ON
or OFF. When OFF, transmission
is accomplished without
regard to traffic and may
cause interference to other
stations. Default is OFF.
ANT: (antenna) - Useful if
system uses both receiveonly
and transmit/ receive antennas.
When T/R is selected, the
system transmits and receives
on the same antenna.
When RCV is selected the
system transmits on one and
receives the other antenna.
Default is T/R
LINK PROT: (link protection)
- This field turns ALE link
protection ON or OFF. Default
is ON (OFF if no link
protection datafill). Press
RTN line-select switch when
setup edit is complete to enter
all data and return to
STBY screen.
TM 1-1520-240-10
3-2-20
CONTROLS/
INDICATOR
FUNCTION
General Editing Select desired channel and
press the EDIT line-select
switch. Use the CURSOR
switches to position cursor
under character position or
data field to be edited. Use
VALUE switches to change
the character or data field to
desired value. If available,
the data setup can be modified
by pressing the DATA
line-select switch in the EDIT
screen, using the VALUE
switches to scroll through the
list of modem set configuration.
Press theRTN line-select
switch when all changes
are complete to store the
changes and return to normal
operation mode.
Transmit Position
Report
Set function switch to T/R
and mode switch to proper
mode. Press the POSN line
select switch. (NOTE: POSN
line-select is available only if
configuration data indicates
GPS is installed).
Manual Operation Set function switch to T/R
and mode switch to MAN.
Use - SQL switch to set
squelch to 0. Adjust VOL
control to comfortable listening
level. Use SQL + switch
to set squelch to 1, the optimum
for manual mode. If radio
breaks in and out of
squelch, increase as required.
Set to desired channel.
Press microphone PTT
switch, wait until tune tone
stops and begin communications.
When PTT switch is
pressed, the XMT frequency
is displayed.
Preset Operation Set function switch to T/R
and mode switch to PRE.
Use - SQL switch to set
squelch to 0. Adjust VOL
control for comfortable listening
level. Use SQL + switch
to set squelch to position 1,
the optimum setting for preset
mode. If radio breaks in
and out of squelch, increase
CONTROLS/
INDICATOR
FUNCTION
as required. Set to desired
channel. Press microphone
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