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 TM 55-1905-242-14
0015 00
ROSS DSC-500 VHF/FM RADIO (continued)
27.
SQ Control
Squelch control sets the threshold level of received signals that will pro-
duce audio output from the speaker.
28.
DIM/U/I Key
Selects any of the four backlight levels: Low, Medium, High, and Off. FNC
+ Key selects USA or international frequency set.
29.
SET/ICM Key
Displays the USER SETUPS menu. Choose from CLOCK, VIEWINGANGLE,
USER DSC ID, USER OPTIONS, NMEA POSITION, and SECURITY CODE.
FNC + Key activates the intercom (intercom mode is not used on the LCM-
8 Mod 2).
30.
FNC/HAIL Key
Function key selects the secondary function for each key. The secondary
function is shown above each key. Does not select the letters above the
number keys. HAIL is not used on the LCM-8 Mod 2.
31.
CLR/ANS Key
Clear key clears erroneous entries. Clears displayed channel from the
Memory Scan memory. Stops call ringing. FNC + Key is ANSWER. Dis-
plays the Call Waiting menu.
32.
Right Arrow/TEL Key
Right arrow is used to change pages in multiple page menus and advance
the entry position when entering or editing user data. FNC + Key displays
the Telephone and Coast Station menus.
33.
Left Arrow/DSC Key
Left arrow is used to change pages in multiple page menus and backspace
the entry position when entering or editing user data. FNC + Key displays
the DSC menus.
34.
ENT/SCRM Key
Enter key completes selections and terminates multiple key entries. FNC +
Key displays the Scrambler menu.
35.
EMR/EMER
Displays the Emergency menu. When held for five seconds, the emer-
gency message is transmitted on the Overhead Channel.
22
21
20
23
24 25
26
DSC 500
ROSS
VOL
WX
H/L
ABC DEF
1
2
3
16
OFF
MAX
SQ
D/W
JKL
27
GHI
MNO
5
4
6
SCAN PRS
TUV
WXY
MIN
MAX
8
7
9
MIC
EMER SCRM DSC
TEL
ANS
HAIL
ICM
QZ
U/I
EMR ENT
CLR
SET
FNC
0
DIM
SECURE MARINE VHF
DIGITAL SELECTIVE CALLING
33
28
32
35
34
31
30
29
0015 00-4
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