![background image](http://html.mh-extra.com/html/icom/ic-m504/ic-m504_instruction-manual_612818010.webp)
4
2
PANEL DESCRIPTION
■
Function display
BUSY 25W
INT
CALL
LOC RX
DUP
SCRAM
TAG
NORMAL SCAN
-
34°34.506N
123°23.236W
Local
1:10
CALLING
q w e r t
y
!5
!4
!3
!2
o
u
!1
!0
i
q
RX SPEAKER INDICATOR
(p. 51)
Appears during the RX Speaker mode.
w
POWER INDICATOR
(p. 8)
➥
“
25W
” appears when high power is selected.
➥
“
1W
” appears when low power is selected.
e
TAG CHANNEL INDICATOR
(p. 13)
Appears when a TAG channel is selected.
r
DUPLEX INDICATOR
(p. 7)
Appears when a duplex channel is selected.
t
CHANNEL GROUP INDICATOR
(p. 7)
Indicates whether an U.S.A. “
USA
,” International “
INT
,”
Canadian “
CAN
” or weather “
WX
” channel is in use.
y
CALL CHANNEL INDICATOR
(pp. 6, 9)
Appears when the call channel is selected.
u
LOW BATTERY INDICATOR
Blinks when the battery voltage drops to approx. 10 V DC
or below.
i
CHANNEL NUMBER READOUT
Indicates the selected operating channel number.
o
CHANNEL COMMENT INDICATOR
Channel comment appears if programmed. (p. 10)
• “
WAIT
” blinks while transmitting or operating the hailer funci-
tion, by using an optional command microphone. (p. 52)
!0
TIME ZONE INDICATOR
➥
Shows the current time data when a GPS receiver is
connected, or the time data is manually programmed.
• “
??
” may blink every 2 sec. instead of current time data,
when the GPS current time data is invalid. After 23.5 hours
have passed, “
No Time
” will appear.
• “
??
” may blink every 2 sec. instead of current time data,
after 4 hours have passed from the time that was manually
programmed. The manually programmed time data is held
for 23.5 hours only, and after that, “
No Time
” will appear.
➥
“
Local
” appears when the offset time data is set.
(p. 47)
➥
“
No Time
” appears when no GPS receiver is con-
nected and no time data is input manually.
Summary of Contents for IC-M504
Page 1: ...INSTRUCTION MANUAL iM504 VHF MARINE TRANSCEIVER ...
Page 78: ......