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35
7
OTHER FUNCTIONS
(MENU
w
Initial
w
Timing Adjust
)
■
Timing adjustment
The system cable length affects the sweep timing.
The cable length must be adjusted properly,
otherwise a straight target is shown as a curved
echo.
1. Position your vessel near a straight target such
as breakwater, wharf, and so on.
2. Push [–] one or more times to select the
1
⁄
8
or
1
⁄
4
NM range.
3. Push [TX (SAVE)]/[
] to display the target
on the screen.
4. Push [MENU]/[
] to display the Menu screen.
5. Push [
t
] or [
u
] to select the Initial menu.
6. Push [
p
] or [
q
] to select the “Timing Adjust”
item.
7. Push [ENTER]/[
] to enter the option selection
mode.
8. Push [
t
] or [
u
] to adjust the echo until it
becomes straight. (See below.)
9. Push [ENTER]/[
] to save the setting.
10. Push [MENU]/[
] to exit the Menu screen.
Proper adjustment
Improper, pulling inward
Improper, pushing outward
■
Antenna rotation speed
The antenna rotation speed can be selected between
Normal (36 rpm) and Slow (24 rpm) in the 1/2, 1/4 or
1/8 range.
1. Push [MENU]/[
] to display the Menu screen.
2. Push [
t
] or [
u
] to select the Initial menu.
3. Push [
p
] or [
q
] to select the “Antenna Rotation
Speed” item.
4. Push [ENTER]/[
] to enter the option selection
mode.
5. Push [
t
] or [
u
] to select “Normal” or “Slow”
antenna rotation speed.
6. Push [ENTER]/[
] to save the setting.
7. Push [MENU]/[
] to exit the Menu screen.
(MENU
w
Initial
w
Antenna Rotation Speed
)