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5
2
PANEL DESCRIPTION
2
!1
POSITION INDICATOR
➥
Shows the current position data when a GPS re-
ceiver is connected, or the time data is manually pro-
grammed.
• “
??
” may blink every 2 sec. instead of position data when
the GPS position data is invalid. The last position data is
held for 23.5 hours only, and after that, “
No Position
”
will appear.
• “
??
” may blink every 2 sec. instead of position data, after 4
hours have passed from the time that is manually programmed.
The manually programmed position data is held for 23.5 hours
only, and after that, “
No Position
” will appear.
➥
“
No Position
” appears when no GPS receiver is
connected and no position data is input manually.
!2
SCAN INDICATOR
➥
“
PRI-SCAN 16
” appears during Priority scan;
“
NORMAL SCAN
” appears during Normal scan. (p. 13)
➥
“
DUAL 16
” appears during Dualwatch; “
TRI 16
” ap-
pears during Tri-watch. (p. 14)
!3
SCRAMBLER INDICATOR
(p. 11)
Appears when the voice scrambler function is activated.
(only when the optional scrambler unit is installed.)
!4
LOCAL INDICATOR
(p. 8)
Appears when the Attenuator function is turned ON.
!5
BUSY/TRANSMIT INDICATOR
(p. 8)
➥
“
BUSY
” appears when receiving a signal or when the
squelch opens.
➥
“
TX
” appears while transmitting.
■
Microphone
Microphone
Speaker
w
q
e
q
PTT SWITCH [PTT]
Push and hold to transmit; release to receive. (p. 8)
w
CHANNEL UP/DOWN KEYS [
Y
]/[
Z
]
➥
Push either key to change the operating memory chan-
nel, Set mode settings, etc. (pp. 6, 7, 55)
➥
Checks TAG channels, changes scanning direction or
resumes the scan manually during scan. (p. 13)
e
TRANSMIT POWER KEY [HI/LO]
➥
Toggles power high and low when pushed. (p. 8)
• Some channels are set to low power only.
➥
While pushing and holding
[HI/LO]
, turn power ON
to toggle the Microphone Lock function ON or OFF.
(p. 10)
Summary of Contents for IC-M504
Page 1: ...INSTRUCTION MANUAL iM504 VHF MARINE TRANSCEIVER ...
Page 78: ......