User’s Manual Innomar SES Parametric Sub-bottom Profilers 55
Innomar Technologie GmbH (2020-09) 55
4.11.6 System Setup – Settings – General – Special Transmit Modes
This item is not available with the INNOMAR “smart” model.
Multi Frequency Setup
It is possible to transmit two or three SBP fre-
quency / pulse width combinations subsequently.
Centre frequency and pulse width can be chosen
arbitrarily.
In Multi Frequency Mode the number of fre-
quency/pulses combinations used reduces pulse
repetition rate per frequency/pulse setting. If two
settings are used, every second ping is using the
first setting and the pings in between the second
setting. This results in half the ping rate for each
setting.
All necessary settings are made in this “Special
Transmit Modes” dialog while the transmit mode it-
self is activated via “Home – General – System
Mode” menu, see picture on the right and section
4.9.1 on page 38.
Burst Mode Setup
There is a special “Multi-Ping Mode” available to
ensure the highest possible pulse rate even in
deep waters. This mode will produce either equi-
distant pulses or bursts of sound pulses. If the burst
mode shall be used the duty cycle has to be set
(active time of total time frame in percent).
See also section 5.4 on page 82.
These special transmit modes are not available
for the INNOMAR “smart” and “compact” mod-
els.
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