Icom IC-M604 Instruction Manual page 11

t CHANNEL GROUP INDICATOR (p. 8)
Indicates whether an U.S.A. "U U S S A A ," International "I I N N T T ,"
Canadian "C C A A N N " or weather "W W X X " channel is in use.
y CALL CHANNEL INDICATOR (pgs. 7, 10)
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. 11)
!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.
➥ "L L o o c c a a l l " appears when the offset time data is set.
(p. 38)
➥ "N N o o T T i i m m e e " appears when no GPS receiver is con-
nected and no time data is input manually.
PANEL DESCRIPTION
!1 POSITION INDICATOR
➥ Shows the GPS position data.
• "? ? ? ? " may blink every 2 sec. instead of position data when the
GPS position data is invalid. In such a case, the last position
data is held for up to 23.5 hours.
• "? ? ? ? " may blink every 2 sec. instead of position data 4 hours
after the position data is input manually, up until 23.5 hours
have past.
➥ "N N o o P P o o s s i i t t i i o o n n " appears when no GPS receiver is
connected and no position data is input manually.
!2 SCAN INDICATOR
➥ "P P R R I I - - S S C C A A N N
1 1 6 6 " appears during Priority scan;
"N N O O R R M M A A L L S S C C A A N N " appears during Normal scan. (p. 15)
➥ "D D U U A A L L 1 1 6 6 " appears during Dualwatch; "T T R R I I 1 1 6 6 " ap-
pears during Tri-watch. (p. 13)
!3 SCRAMBLER INDICATOR (p. 12)
Appears when the voice scrambler function is activated.
(only when the optional scrambler unit is installed.)
!4 LOCAL INDICATOR (p. 9)
Appears when the Attenuator function is turned ON.
!5 BUSY/TRANSMIT INDICATOR (p. 9)
➥ "B B U U S S Y Y " appears when receiving a signal or when the
squelch opens.
➥ "T T X X " appears while transmitting.
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