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Operation
PIC
Set the picture feed rate (to the left): 0, 1/4, 1/2, 1/1, 2/1, 4/1.
A
_RANGE
UTO
"A
_RANGE" means Auto-range; the basic range will change
UTO
automatically to always show the full depth from transducer face to bottom
regardless of changes in depth.
When "A_RANGE" function is on, the screen will indicate "AT" on the upper
right. Then operator can't change the range manually.
TVG
TVG is to suppress unnecessary echoes near the water surface such as
bubbles and floating matter.
Each press of the 【 】or【 】key changes the ability for suppress the
echoes as follow:
TVG
TVG
6
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