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RETRANSMISSION.
19. COMSEC unit MODE selector switch C.
1. COMM key (or DSPL SEL switch) Press.
20. OVERRIDE/NORMAL NORMAL. COMM page (fig. 3-7) will display.
21. On COMSEC page (fig. 3-22), select desired 2. Press FM RETRAN (R-4) to activate FM
channel number to transmit in cipher mode. retransmission mode (when active legend at
R-4 is boxed).
22. Communication Check Complete. I f
communication check fails, repeat loading
procedure. 3-39. COMSEC LOADING PROCEDURES FOR
FM-1 AND FM-2.
3-37. (CDS3) SETTING FM-1 AND FM-2 FOR 1. Select radio 1 (FM-1) or radio 5 (FM-2) using
R E T R A N S M I S S I O N U S I N G T W O the transmit select switch on the CSC panel
FREQUENCIES. (fig. 3-2).
NOTE 2. Press CIPH button on the RFD (fig. 3-1).
Verify CIPHER FLAG is displayed by FM-1 or
FM-1 and FM-2 frequency spread must be FM-2.
at least 3 MHz across the band for
retransmission to be accomplished. 3. COMM key Press.
3-41
TM 1-1520-248-10
4. FM-1 or FM-2 key Press.
5. FM-1 or FM-2 CONTROL PAGE key Press.
6. L-1 key Press to box FH.
7. PAGE 2 key Press.
8. LOAD key Press until COMSEC is boxed.
9. L-3/L-4 key Press to channel up or down
to the desired channel to be filled.
10. Connect the KYK-13 to FM-1 or FM-2, turn it
on, and select the channel which contains the
desired fill.
11. FILL key Press. Box will appear around
FILL until the load is complete.
12. PAGE 1 key Press.
13. L-1 key Press to select SC (single
channel).
14. COMM key Press.
PULL
MAN
PULL
BKUP
BRT
C
ONT
VSD HSD MMS COMM
406075-1413-2
J0546
NEW
XMIT
SELADR
XMIT
CURSOR
NEW
RECV
SCAN
DEL
XMIT RECV
HF
CONTROL
PAGE
M4 11234.6
01 11345.8
02 11345.6
03 16127.5
04 23122.0
05
06 23125.0 ABCE
07 23129.6 BCDE
08 17127.0 ACEG
09
M4 11234.6
01 11345.8
02 11345.6
03 16127.5
04 23122.0
05
06 S 28196.5 EFGH
07 S 22175.0 DEFG
08 S 11255.5 FGAB
09
SEL
ADR OFF
ADD
HF FREQ
TUNING
SELADR
RECV
Figure 3-23. HF FREQ Page 15. COMSEC key Press.
16. Select the channel that contains the desired
fill for FM-1 or FM-2. Perform communication
check.
3-40. HF RADIOS.
NOTE
(CDS4) HF radio not functional.
3-41. MANUALLY SETTING RADIO FOR
OPERATION HF.
1. COMM key (or DSPL SEL switch) Press.
COMM page (fig. 3-7) will display.
2. HF key Press to display HF FREQ page
(fig. 3-23).
3. HF CONTROL PAGE key Press. HF
Control page (fig. 3-24) will display.
NOTE
Channel and frequency shown on HF
Control page will be the same as displayed
on the RFD.
PULL
MAN
PULL
BKUP
BRT
C
ONT VSD HSD MMS COMM
406075-1413-3
J0546
HF
T 05 16.2500 ABCD RS 05 17.5000 ABCD
USB LSB AM CW
PWR LO
KYBD
HF
FREQ
SQL 4
Figure 3-24. HF Control Page 4. BAND key Press until desired band is
selected (USB normal). Band will alternate
3-42
TM 1-1520-248-10
between USB, LSB, AM, and CW each time NOTE
key is pressed.
Simplex mode can only be entered on
5. PWR key Press until desired power is manual channel.
selected (MED normal). Power setting will
alternate between LO, MED, AND HI each
time key is pressed. 12. Frequency desired Enter on MFK pressing
first two digits, decimal, and last four digits.
NOTE Frequency selected will display.
High power cannot be selected if the option NOTE
has been selected on the GROUND SETUP
page IFM/HF PWR key.
System will assume zeros for digits after
decimal point if nothing is entered.
6. SQL keys Press as necessary to set
squelch level. Squelch value will range from 0
to 15 as SQL keys are pressed. 13. ENTER key Press. M4 (frequency entered)
will display at top of page and on RFD (fig. 3-
7. If desired frequency is displayed, HF is set. 1). This frequency will replace manual
frequency listed on HF FREQ page (fig. 3-23)
and KYBD will return to HF Control page (fig.
8. If desired frequency is not displayed but is 3-24). The HF radio is now set for operation.
stored in memory, go to step 10.
9. If desired frequency is not stored in memory 3-42. ENTERING A FREQUENCY INTO
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TECHNICAL MANUAL OPERATOR’S MANUAL FOR ARMY OH-58D HELICOPT(62)
