User Manual

48
SETTING THE CHART DATUM
The chart datum can be obtained from the navigational
chart you are using.
1. Press the
POS
key.
2. Press the
SETUP
key until
dAtUM
is displayed.
3. Press the
ENTER
key, the displayed chart datum will
now flash.
4. Use the
▼ STEP ▲
knob to select the required chart
datum. Refer to the datum list at the end of this manual.
NOTE: For user defined chart offsets select USER
ENTERED
.
5. Press the
ENTER
key to memorise your setting.
SETTING A USER DATUM
This is a user entered latitude and longitude offset obtained
from some charts.
NOTE: Before USER DATUM can be used USER
ENTERED must be selected as DATUM, see previous
section.
1. Press the POS key.
2. Press the SETUP key until USER DATUM is displayed.
3. Press the
ENTER
key, the display will now flash.
4. Use the ▼ STEP ▲ knob and the ENTER key to enter
the required offset.
5. Press the
ENTER
key to memorise your setting.
SEtUP
dAtUM
WGS 84
00.000N
00.000E
USER DATUM
SEtUP
USER DATUM