JRC JFC-7050, Руководство по эксплуатации

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Operation
4. Normal (200KHz and 50KHz)
The high frequency (200KHz) displays on the left and the low frequency (50KHz) Normal displays
on the right, which increase the accuracy of a fish school and your decision to catch fishes.
5. Bottom Zoom (200KHz and 50KHz)
The high frequency (200KHz) displays on the left and the low frequency (50KHz) Bottom Zoom
displays on the right, which increase the accuracy of a fish school and your decision to catch fishes.
Gain
Setting up the gain.
1. Auto / Manual Gain
Press [GAIN/STC]
Press the button changes Auto Gain / Manual Gain.
(* Setting is available individually)
2. Set Gain
Tune [GAIN]
Turn to the left, the gain level will be decreasing. Turn to the right, the gain level will be
increasing.
(It is applied Auto Gain Adjustment, when the mode sets “Auto gain mode”)