User Manual

6
2
PANEL DESCRIPTION
 Function display (Continued)
!9
!5
!7
!8
!6
qw iet
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!2
!3
!4
!1
!1 RT (Radio Telephone) ICON
(For only USA version transceivers.)
Displayed while receiving or transmitting a signal, and
when the channel is changed.
• The icon is displayed if the “RT Indicator:” item in the RADIO
SET menu is set to “ON.”
!2 LOW BATTERY ICON
Blinks when the battery voltage drops to approximately
10 V DC or less.
!3 CHANNEL NUMBER READOUT
Shows the selected operating channel number.
• When a simplex channel is selected, “A” is displayed.
!4 CHANNEL NAME FIELD
The channel name is displayed, if entered. (p. 16)
!5 KEY ICON (p. 7)
Shows the preset function of the softkeys on the front panel.
!6 TIME ZONE INDICATOR
 Shows the current time when GPS data is received, or
the time is manually entered.
• When the GPS current time is invalid, “??” will blink every
2 seconds instead of the current time. After 23.5 hours has
passed, “NO TIME” is displayed.
• “??” will blink every 2 seconds instead of the current time,
after 4 hours* have passed from when the time was manu-
ally entered. The manually entered time is held for only 23.5
hours, and after that, “NO TIME” is displayed.
*3 hours and 59 minutes for USA version.
 “LOCAL” is displayed when the offset time is set.
 “MNL”
is displayed when the time is manually entered .
 “UTC”
is displayed when the GGA, GLL or GNS GPS
sentence format is included in the GPS signal.
 The date information is displayed when the RMC GPS
sentence format is included in the GPS signal.
 “NO TIME”
is displayed when no GPS receiver is con-
nected, and no time is manually entered.
NOTE for the IC-M423 and IC-M424:
These models do not come with a built-in GPS receiver.
Therefore an external GPS receiver needs to be con-
nected, or the time needs to be manually entered for
the time zone indicator to be displayed.