2
PANEL DESCRIPTION
Panel description
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)
2
Function
display
Speaker
q
POWER
VOL
w
e
!1
!0
o
i
iM502
VHF MARINE
DISTRESS
WATERPROOF
DSC/ENT
SCAN
CH/WX
16
9
POS
TAG
DW
U/I/C
LO/DX
HI/LO
IC
SCR
SQL
r
t
y
r TRANSMIT POWER SWITCH [HI/LO]
Toggles high and low power when pushed. (p. 8)
• Some channels are set to low power only.
While pushing this switch, other switches perform sec-
ondary functions.
t CHANNEL SELECTOR [CHANNEL]
Rotate [CHANNEL] to select the operating channels, set
mode contents, etc. (p. 8)
u
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