Simrad SC90, Installation Manual

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419050/B
3 On the Operating Panel, press
Power
, and keep it depressed for approximately
two seconds.
The green lamp on the right side of the button will flash to indicated
that the power has been turned on. The Processor Unit and the
Transceiver Unit are both automatically turned on.
4 Once the program has started, observe that the presentation fills
the entire screen.
The program starts up using the same settings as the last time you used it. If these
settings are acceptable, continue operation. If you wish to alter any of the settings,
see the relevant procedures.
5 On the Operating Panel, press
Down
.
To indicate transducer movement, the indicator lamp next to the
Down
button
flashes, and an audible signal is sounded. When the bottom position has been
reached, the indicator lamp is lit, and the audible signal stops. The upper button in
the
Status
parameter dialog shows Transducer: DOWN .
Observe that the
TX Power
menu button flashes.
TX Power
is by default set to Off .
This is for safety reasons. The transducer may be damaged if it transmits in open air.
6 Select the
Horizontal
tab to open the menu.
7 Set
TX Power
to Maximum (or any other power rating) to start "pinging".
Result
The SC90 starts up even if transceiver boards in the Transceiver Unit are malfunctioning.
The SC90 will then need more time to finish the start-up sequence, and a short message
will be provided.
The
TRU On/Off
dialog box opens automatically when you switch the SC90 on or off.
The dialog box allows you to monitor the power-up sequence. It can also be used during
troubleshooting. After the SC90 has started up, the
TRU On/Off
dialog box can be opened
from the
Test
menu. In the dialog box, select
Advanced
to obtain more information.
Simrad SC90 Installation Manual