Specifications

MT-550
27
Use the SELECT/ENT knob to select the desired format, either 12 HR or 24
HR.
Push the SELECT/ENT knob. The TIME OFFSET menu appears in the
display.
INT
TIME OFFSET
>+00.0
88:88
Time Offset Selection
Use the SELECT/ENT knob to set the time difference from the Prime Meridian
to your location. If you are West of the Prime Meridian, select a negative (-)
value. If you are East of the Prime Meridian, select a positive (+) value.
Time offset values from 0 to 12 hours plus or minus may be entered in 1/2
hour increments. Obtain the time offset value from your GPS navigator.
When your selection is complete, push the SELECT/ENT knob to store the
setting and exit the menu.
NMEA SET
Allows NMEA sentences from navigation equipment manufactured to earlier
versions of the NMEA standard to provide Lat/Lon position coordinates and UTC
time.
Press and hold the
CALL
key. Menu topics appear in the display.
Use the SELECT/ENT knob to position the cursor on the NMEA SET topic.
Push the SELECT/ENT knob. The NMEA CHECKSUM menu appears in the
display.
INT
NMEA
CHECKSUM
>ON
OFF
NMEA Checksum Selection
Use the SELECT/ENT knob to select either ON or OFF.
When your selection is complete, push the SELECT/ENT knob to store the
setting and exit the menu.
GPS ALERT
Provides ON/Off settings for GPS Alert. It is usually set to On. If data from your GPS
navigation receiver is lost, 3 quick error beeps are sounded and **GPS OFF is
displayed on the second line of the Normal Communication screen, alternately with
the date & time and channel name (alternately with MEM CHANNEL and channel
name, in case that displayed channel is memory channel). Press the
16
or
END
key to silence the 3 quick error beeps.
To set the GPS Alert:
Press and hold the
CALL
key. Menu topics appear in the display.