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2. SYSTEM MENU
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[Zero Line Area]: This fea-
ture adjusts the transmission
line so that the transmission
line disappears when the
menu item [Zero Line Rejec-
tor] is turned on. For a long tail, increase the
value. If the transmission line does not disap-
pear, lower the TX power.
[Bottom Detect]: In some in-
stallations the tail of the TX
line or the echo afterglow can
be mistaken for the bottom
echo. If this occurs, raise this
setting to solve the problem. Too low a setting
may prevent display of the bottom echo.
2.7 Transducer Menu
[Type]: Select the transducer. See section
4.11.
2.8 Demo Menu
[Demonstrate]: The demonstration mode
provides, without connection of the transduc-
er, simulated operation of the equipment, us-
ing internally generated echoes. All controls
are operative. The message [DEMO] appears
at the bottom right corner on the screen when
the demonstration mode is active.
• [Off]: Deactivate the demonstration mode.
• [Demo1], [Demo3]: Shallow depth demo
mode
• [Demo2], [Demo4]: Deep depth demo
mode
2.9 Tankenmaru Menu
The Tankenmaru system outputs the video
signal from your display unit to the display unit
of a Tankenmaru-equipped partner ship, etc.,
via a radio transmitter.
[Output]: Select On to output this unit’s video
signal to the display unit of a partner ship in
the Tankenmaru system, via a radio transmit-
ter.
[Pic. Sync]: Display or don’t display the same
video signal on your display unit and a part-
ner’s display unit.
• [Yes]: Display the same video signal on
both your display unit and a partner’s dis-
play unit. Note that the TX interval is longer
when compared to the [No] setting.
• [No]: The display units are independent of
one another.
[Sub Clutter]: Reduce clutter at a partner’s
display unit. The higher the setting the greater
the degree of clutter reduction.