Microphone – Icom IC-M504 User Manual
Page 11
5
2
PANEL DESCRIPTION
2
!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
No
o P
Po
os
si
it
ti
io
on
n” appears when no GPS receiver is
connected and no position data is input manually.
!2 SCAN INDICATOR
➥ “P
PR
RI
I-
-S
SC
CA
AN
N 1
16
6” appears during Priority scan;
“N
NO
OR
RM
MA
AL
L S
SC
CA
AN
N” appears during Normal scan. (p. 13)
➥ “D
DU
UA
AL
L 1
16
6” appears during Dualwatch; “T
TR
RI
I 1
16
6” 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)
➥ “B
BU
US
SY
Y” appears when receiving a signal or when the
squelch opens.
➥ “T
TX
X” appears while transmitting.
■ Microphone
q PTT SWITCH [PTT]
Push and hold to transmit; release to receive. (p. 8)
w CHANNEL UP/DOWN KEYS [Y
Y]/[Z
Z]
➥ Push either key to change the operating memory chan-
nel, Set mode settings, etc. (pgs. 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 and OFF.
(p. 10)
Microphone
w
q
e