Plastimo ECHOFISH 820 Manuel D'installation Et D'utilisation page 20

3. Keyboard instruction
The fishfinder sounds a tone when you press the key. This
means the unit did accepted a command.
Menu key
The MENU key is used to enter a menu setting and t o
n a v i g a t e between the menus.
Ent Key
The Ent key is used to confirm a setting.
Zoom Key
The zoom key is used to enter into zooming setting.
Backlight Key
The BACKLIGHT key is used to increase or decrease light-
ness of the backlight.
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Echofish 820 – Installation & Operation manual