386619/C
27
Caution
You must never start SX90 transmissions (pinging) when the ship is in dry dock. The
transducer may be damaged if it transmits in open air.
Once started, the SX90 transmissions are controlled by the
Transmission Mode
and
TX
Power
functions.
Procedure
1
Open the
Operation
menu.
2
Set
Operation
to
Normal
.
The
Operation
function controls the operating mode of the SX90.
Normal
mode allows
the SX90 to transmit ("ping") through the water, and to receive the echoes.
3
Set
Transmission Mode
to
Maximum
.
The
Transmission Mode
function enables or disables the SX90 transmissions into the
water. If you choose
Maximum
, the SX90 will transmit (ping) continuously and as
often as possible. This gives you the maximum refresh rate.
The ping rate is normally limited by the maximum range settings. It will also be
dependant on hardware issues. This may be, for example, how fast your Processor Unit
can handle the information from each ping, how fast your system communicates with
external peripherals, or how long time the system uses to save data.
4
Set
Tx Power
to
Maximum
.
Result
The SX90 is now transmitting acoustic pulses ("pinging") into the water.
Related topics
Summary of Contents for SX90 - DATASHEET FOR NAVAL AND COAST GUARD REV A
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