21
6
DSC OPERATION
New2001
6
r After setting the longitude data, push [ENT] to set the time
information appears. Set the current UTC time with [▲] or
[▼], then push [ENT].
• Push [CH•DUAL] or [16•C] to move the cursor forward or back-
ward, respectively.
• Push [SCAN•TAG] to clear the UTC time data.
• Push [CLR] to cancel and exit the condition to the DSC menu.
t Push [CLR] or [▼] to select “Exit,” push [ENT].
• Returns to the DSC menu.
• Repeat again to return to the normal operation condition.
Manually programmed position data will be held for 23.5
hours only.
“??” may blink instead of position and time indications
when the GPS data is invalid, or has not been manually
updated after 4 hours.
■ Position and Time indication
When a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is con-
nected, the transceiver displays the current position and time.
When no GPS receiver is connected, the transceiver displays
the manually entered position and time.
A GPS receiver appropriate for the IC-M421 is not supplied
from Icom. A GPS receiver with NMEA0183 ver. 2.0 or 3.01
format is required for position indication. Ask your dealer
about suitable GPS receivers.
When connecting GPS receiver is compatible with several
sentence formatters, the order of input precedence is
‘RMC,’ ‘GGA,’ ‘GNS’ and ‘GLL.’
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