Page 46 of 133
Version 3.0 Rev r000
Date 25-08-2010
Part No. 96000001
6.4.1 Frequency
The Sonic 2024/2022 operates on a user selectable frequency, from 200 kHz to 400 kHz, in 10 kHz
steps. The operating frequency can be changed on the fly; there is no need to stop recording data,
go offline, or load any firmware. The operating frequency is selected via the drop down menu next
to Frequency (kHz).
Figure 38: Operating Frequency Selection
6.4.2 Ping Rate Limit
The Sonic 2024/2022 can transmit at a rate up to 60 Hz (60 pings per second), this is called the Ping
Rate. At times, it may be desirable to reduce the ping rate to reduce the collection software file size
or for other reasons. Highlight the box next to Ping Rate Limit and the ping rate limit drop down
box will be activated; select a predefined ping rate or enter a manual rate.
Figure 39: Ping Rate Limit
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