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3. INSTALLATION
28
Timing adjustment
Sweep timing differs with respect to the
length of the antenna cable. Adjust sweep
timing to prevent pushing or pulling of the
target as illustrated below and placement of
targets at incorrect ranges.
Correct
Target pushed
inward
Target pushed
outward
Improper and correct sweep timings
1. Transmit on a range between 0.125 and
0.5 nm and adjust the sensitivity and A/C
SEA. (See page 4 and 5 for procedure.)
2. Choose TIMING ADJUST from the Radar
Setup menu and press ►.
RADAR SETUP
HEADING ADJUST
TIMING ADJUST
SET ON TIME : 000000h
SET TX TIME : 000000h
[MENU/ESC]: Exit.
: YES
: NO
Radar setup menu (timing adjust)
3. Press ▲ to choose YES, and the display
now looks as below.
SWEEP TIMING ADJUSTMENT BY
’ ’ AND ’ ’ KEYS.
THEN PUSH MODE KEY TO SET.
Message
Timing adjustment display
4. Find a target which should be “straight”
(harbor wall, straight pier) on the radar
display.
5. While looking at the target selected at
step 4, straighten it by pressing ▲ or ▼.
6. Press the [MODE] key.
7. Press the [MENU/ESC] key to return to
the Installation menu to complete the
procedure below, or shut off the power if
no external equipment is connected.
NMEA port setup, GPS WAAS setup
The NMEA port can function as an input port
or input/output port.
If you are using the GP-320B, turn on the
GPS WAAS feature.
1. Show the Installation menu and then
press ▼ to choose NMEA PORT.
2. Press ► to display the NMEA port options
window.
3. Press ▲ or ▼ to choose IN/OUT or IN/IN
as appropriate.
IN/OUT: Input and Output (default setting).
For GP-320B choose this setting.
IN/IN: Input only (Available with
connection of multiple navigators.)
4. If you selected IN/OUT at step 3, press ◄,
▼ to choose NMEA OUTPUT, and then
press ► to display the NMEA OUTPUT
options window.
5. Press ▲ or ▼ to choose OFF or ON.
Choose ON to output input data. Choose
OFF to not output data or if the GP-310B
or GP-320B is connected.
6. Press ◄ to close the window.
7. If the GP-320B is connected, press ▼ to
choose GPS WAAS. Otherwise, go to
step 10.
8. Press ► to open the window.
9. Press ▲ to choose message type.
Note: WAAS is currently in the
developmental stage. While in the
developmental stage choose message
type 02. Change to message type 00
when WAAS becomes fully operational.
10. Turn off the power.