![background image](http://html.mh-extra.com/html/icom/ic-m503/ic-m503_insrtuction-manual_612817006.webp)
PANEL DESCRIPTION
2
2
■
Panel description
CALL
DUAL
SCAN
WATER RESISTANT
TAG
DIAL
DIMMER
HI/LO
POWER
VOL
iM503
VHF MARINE
SQL
16
Speaker
Function
display
q
w
e r
t
y
u
i
o
!0
!1
q
POWER SWITCH [POWER]
Push to toggle the transceiver power ON and OFF.
w
VOLUME CONTROL [VOL]
Adjusts the audio level. (p. 8)
e
SQUELCH CONTROL [SQL]
Sets the squelch threshold level. (p. 8)
r
TRANSMIT POWER SWITCH [HI/LO]
➥
Push to Toggle high and low power . (p. 8)
• Some channels are set to low power only.
➥
While pushing and holding this switch, other switches
perform secondary functions.
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