GENERAL RECOMMENDATIONS
•
The figures given in the description are simplified and intended to facilitate
understanding of the sonar operation. In fact, the number of objects
captured in the beam depends on the nature of the reservoir, season,
weather conditions, and other factors.
•
If maximum sensitivity is set, but the sonar starts to show zeros instead
of depth, and the bottom of the screen looks like a thin dashed line or is
completely absent, this means that for a given spot of the reservoir, the
power and sensitivity of the device are not enough. Such a situation arises
very rarely, usually at depths close to the limit (20
–25 m), and with a very
muddy bottom having a weak reflectivity.
•
Often, the device can take it for a large fish giving a more powerful signal.
A characteristic feature of this case is an abrupt decrease in depth by
several measurements with its subsequent return to the original value. In
Depth Gauge mode, the sonar selects the optimal power and gain mode.
If you need only accurate depth measurements, and information about
other objects is of little interest, then we recommend working in this mode.
•
It is strongly recommended that you do not use cheap salt batteries, but
use alkaline batteries instead: one such fresh battery is usually enough
for several fishing trips. When working in extreme cold, it is better to use
lithium AA batteries. The use of suitable storage batteries is possible, but
it should be remembered that the voltage of even a fully charged storage
battery is less than that of a regular battery, and other things being equal,
it will last for less time.
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