Simrad ER60 - REV B Operator's Manual page 30

Simrad ER60 Operator manual
22
where:
X = Total amount of stored raw data in bytes for one channel
B = 4 (Given by the resolution of the sample data)
R = Selected range in meters (User defined)
c = Sound speed in water in meters per sec (User defined)
tau = Pulse duration in seconds (User defined)
M = Ping rate in ping per seconds (User defined)
Thus, you can affect the amount of stored raw data by changing
e.g. the range, pulse duration, and ping rate settings.
Playback of a single file
The playback is started as follows:
1 Open the Operation menu, and select Replay.
- Observe the Replay dialogue.
2 Select the single file to be played.
- If no file is listed, click the Add button to select. Note
that only one replay file can be listed if this single file
shall be replayed.
3 Click Loop if you wish to loop through the selected file
endlessly.
4 Click OK.
5 Click the Play button in the Toolbar.
During playback, the ping rate is not limited by the speed of
sound in water. Hence, it is possible to select a higher ping rate
than during normal operation.
Playback of multiple files
The playback is started as follows:
1 Open the Operation menu, and select Replay.
- Observe the Replay dialogue.
2 Click the Add button to select playback files
- You can place any number of files in the list in the
Replay dialogue.
3 Click the first file you wish to play back.
4 Click Loop if you wish to loop through the the files
endlessly.
5 Click OK.
6 Click the Play button in the Toolbar.
850-164692 / Rev.B