ICOM IC-M504 User Manual
4
2
PANEL DESCRIPTION
■ Function display
q RX SPEAKER INDICATOR (p. 51)
Appears during the RX Speaker mode.
w POWER INDICATOR (p. 8)
➥ “2
25
5W
W” appears when high power is selected.
➥ “1
1W
W” 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. “U
US
SA
A,” International “I
IN
NT
T,”
Canadian “C
CA
AN
N” or weather “W
WX
X” channel is in use.
y CALL CHANNEL INDICATOR (pgs. 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.
or below.
i CHANNEL NUMBER READOUT
Indicates the selected operating channel number.
o CHANNEL COMMENT INDICATOR
Channel comment appears if programmed. (p. 10)
!0 TIME ZONE INDICATOR
➥ Shows the current time data when a GPS receiver is
connected.
• “?
??
?” may blink every 2 sec. instead of current time data when
the GPS current time data is invalid.
• “?
??
?” may blink every 2 sec. instead of current time data 4
hours after the time data is input manually, up until 23.5 hours
have past.
have past.
➥ “L
Lo
oc
ca
al
l” appears when the offset time data is set.
(p. 47)
➥ “N
No
o T
Ti
im
me
e” appears when no GPS receiver is con-
nected and no time data is input manually.
BUSY 25W
INT
CALL
LOC RX
DUP
SCRAM
TAG
NORMAL SCAN
-
34°34.506N
123°23.236W
Local
Local
1:10
CALLING
q w e r t
y
!5
!4
!3
!3
!1
!0
!2
i
o
u