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Choosing operating mode and key transmit
parameters
Topics
Selecting Normal mode to start "pinging", page 55
Selecting Replay mode, page 56
Selecting Inactive mode, page 57
Setting up the SN90 for maximum echo refresh rate, page 58
Transmitting single pings, page 59
Transmitting with fixed-time intervals, page 59
Adjusting the output power to match varying conditions, page 60
Selecting the best operating frequency, page 61
Selecting Normal mode to start "pinging"
In order to transmit ("ping") you must set the SN90 to Normal operating mode. This is
the default mode when the SN90 is turned on.
Context
The
function controls the operating mode of the SN90. You can set it to
Operation
Normal, Replay or Inactive. Normal mode allows the SN90 to transmit ("ping") through
the water, and to receive the echoes.
Caution
You must never start SN90 transmissions (pinging) when the ship is in dry dock. The
transducer may be damaged if it transmits in open air.
Once started, the SN90 transmissions are controlled by the
functions.
Power
Procedure
1
Open the
Operation
2
Set
to Normal.
Operation
The
function controls the operating mode of the SN90. Normal mode
Operation
allows the SN90 to transmit ("ping") through the water, and to receive the echoes.
381295/B
menu.
Operating procedures
and
Transmission Mode
TX
55
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