Kongsberg Simrad SU90 Operator's Manual page 182

Simrad SU90 Operator Manual
2 Set
Tx Power
c Open the
Active
1 Set
TVG
2 Set
Ping-Ping Filter
3 Set
Pulse Type
4 Set
Frequency
5 Set
Horizontal TX Sector
6 Set
Vertical TX Sector
7 Set
AGC
8 Set
RCG
9 Set
Noise Filter
d Open the
Setup
e Open the
BITE
f Select
Noise
g Select
Start Noise Measurements
5 Repeat for each vessel speed and operating frequency.
a Ask the bridge to set the speed.
b If possible, verify the vessel speed on the top bar.
c Read the noise value from the noise circle.
d Record the values in the result table.
e Repeat for every 2 kHz up to and including 30 kHz.
1 Increase the operating frequency with 2 KHz.
2 Read the noise value from the noise circle.
3 Record the values in the result table.
f Ask the bridge to set the next speed.
6 When all the measurements have been made, type the data (speed and noise) into a
spreadsheet to create the curve.
7 Hoist the transducer to its upper position.
8 Close the
BITE
180
to Off.
menu.
(Time Variable Gain) to 0 log R.
to Off.
to CW Short.
to 20 kHz.
to Omni.
to Normal.
(Automatic Gain Control) to Off.
(Reverberation Controlled Gain) to 0 (zero).
to Off.
menu.
(Built-In Test Equipment) dialog box.
to open the page.
(Built In Test Equipment) dialog box.
.
381291/D