possible to optimise the resolution, but not so short as to weaken the transmit pulse. Generally, as
the water gets deeper the pulse length will have to be increased to get more ‘total’ power in the
water. The default pulse length will depend on the chosen operating frequency.
Figure 86: Transmit Pulse
5.13.5 Gain: 1 – 45
Receiver gain is in 2 dB steps from 1 to 45. This adjusts the gain of the sonar head receivers.
5.13.6 Depth Gates: GateTrac™
The depth gate allows the user to eliminate noise or other acoustic interference by the limits set in
the Minimum and Maximum Depth. There are manually selected gates, GateTrac: Depth and
GateTrac: Depth + Slope.
Gates are enabled by selecting the check box next to Enable Gates.
Figure 87: Enable Gates
Figure 88: Manual and GateTrac selections
Page 80 of 210
Version 5.0 Rev r002
Date 05-08-2014
Part No. 96000001
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