![background image](http://html.mh-extra.com/html/icom/ic-m422/ic-m422_instruction-manual_612797040.webp)
34
8
SET MODE
New2001
D
D
LCD backlight
The LCD backlight brightness can be adjusted from OFF, 1
(dark) to 7 (bright.)
LCD backlight is also adjustable via
[SCAN
•TAG
]
key.
(p. 9)
➥
While pushing
[SCAN
•TAG
]
,
•
“
” scrolls at the channel comment indicator.
D
D
LCD contrast
The LCD contrast can be adjustable in 4 levels. 1 is the low-
est contrast, and 4 is the highest contrast.
•
“
” scrolls at the channel comment indicator.
D
D
Automatic acknowledgement
This item sets the automatic acknowledgement function ON
or OFF. When Position Request, Position Report or Polling
Request call is received, transceiver automatically transmits
the reply call, respectively.
•
“
” scrolls at the channel comment indicator.
D
D
Radio power
(Available only when optional HM-157 is connected.)
This item sets the Radio Power function ON or OFF.
•
“
” scrolls at the channel comment indicator.
ON : The transceiver’s power is controlled by the HM-157.
When the HM-157 is turned OFF, the transceiver will
also be turned OFF automatically.
OFF : The transceiver’s power is not controlled by the HM-
157. Even if the HM-157 is turned OFF, the transceiver
will continue to work.
Radio PWR ON (default)
Radio PWR OFF
Scrolls
Auto acknowledgement
OFF (default)
Auto acknowledgement
ON
Scrolls
LCD contrast level 3 (default)
Scrolls
LCD backlight level 7 (default)
LCD backlight OFF
Scrolls
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