Simrad SP70
96
850--164186 A
Frequency (option)
The Frequency button is located in the following index menus:
• Horizontal
• Ve rt ical
• Echosounder
• Second Ping
• Trawl
Figure 79 -
Frequency
submenu
The Frequency submenu is used for selecting the transmitter and
reciever ferquency. In addition to the standard 26kHz frequency,
options are available for triple and multiple frequencies.
If triple frequencies are installed, the following three frequencies
are available: 24 kHz, 26 kHz and 28 kHz.
If multiple frequencies are installed, the following nine
frequencies are available: 22 kHz, 23 kHz, 24 kHz, 25 kHz, 26 kHz,
27 kHz, 28 kHz, 29 kHz and 30 kHz. These different frequencies
will not make a big difference in the echo presentation, but are
mainly to be used for suppression of interference from other
hydroacoustic equipment. If only the standard 26 kHz frequency
is installed, Simrad offers a one-month free test period for the
multiple frequencies.
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