![background image](http://html1.mh-extra.com/html/icom/im423/im423_instruction-manual_4301608011.webp)
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PANEL DESCRIPTION
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Front panel
■
t
u
y
w
e
r
i
o
q
Function display (p. 5)
Speaker
q
DISTRESS KEY [DISTRESS]
(pp. 24, 25)
Hold down for 3 seconds to transmit a Distress call.
w
ENTER KEY [ENT]
(pp. 8, 10, 75)
Push to set the input data, selected item, and so on.
e
LEFT AND RIGHT KEYS [
Ω
]/[
≈
]
Push to switch to the previous or next key function that
➥
is assigned to the softkeys. (p. 7)
Push to select the desired character or number in the
➥
table while in the channel name, position, MMSI code
programming mode, and so on. (pp. 8, 13, 23)
r
UP AND DOWN/CHANNEL SELECT KEYS [
∫
•CH]/[
√
•CH]
Push to select the operating channels, Menu items,
➥
Menu settings, and so on. (pp. 11, 75)
➥
Push to check TAG channels, change the scanning di-
rection or manually resume a scan. (p. 18)
t
CLEAR KEY [CLEAR]
(pp. 8, 13, 75)
Push to cancel the entered data, or to exit the Menu
screen.
y
MENU KEY [MENU]
(p. 75)
Push to enter or exit the Menu screen.
u
VOLUME AND SQUELCH SWITCH/POWER SWITCH
[VOL/SQL•PWR]
When the power is OFF, hold down for 1 second to turn
➥
ON power. (p. 11)
Hold down for 1 second to turn OFF power.
➥
When the power is ON, push to enter the volume level
➥
adjustment mode.* (p. 15)
• Each push of this switch toggles the mode between the vol
-
ume level adjustment, squelch threshold level adjustment,
operating channel selection and the LCD and key backlight
brightness adjustment, if assigned.
Rotate to adjust the volume level.* (p. 15)
➥
*The desired function can be assigned in the Menu screen.
Summary of Contents for iM423
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