Simrad SC90, Installation Manual

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Note
Serial line 1 (COM1) is used to communicate with the Operating Panel.
Context
Whenever more than one hydroacoustic system is installed on a vessel, interference may
occur. To avoid this, you have these options:
• The systems are all connected to a common synchronization system.
• One of the acoustic systems is set up as "master", and controls the transmissions on
the other systems.
The SC90 offers functionality for remote transmit synchronisation. It can be set up to
operate in either
Master or Slave mode.
Procedure
1 Open the
Setup
menu.
2 Select
External Sync
to open the
External
Synchronization
parameter dialog box.
3 Select synchronization mode.
4 Select the synchronization delay.
In Master mode, the SC90 will wait for the delay
time after the external trigger signal has been sent
to the slaves before transmitting the ping. This
is often referred to as
Pre-trigger .
In
Slave
mode, the SC90 waits for the delay time
after the external trigger signal has arrived before
transmitting the ping. This is often referred to as
Post-trigger .
The
Delay
setting is not applicable when synchronization is switched off.
5 Select
OK
to save the settings and close the parameter dialog box.
Cable layout and interconnections