Operation
Keyboard Basics
The unit sounds a tone when you press any key. This tells you the unit has accepted a command. Numbers in the figure correspond to key explanations below.
PWR/CLEAR
In this manual, the Power/Clear key is referred to as PWR. Press this key to turn the unit on and off. It also clears menus and menu selections from the screen. To clear a menu from the screen, press PWR.
NOTE:
Hold the PWR key down for five seconds to turn off the unit.
MENU UP & MENU DOWN
These keys appear in the manual text as MENU UP or MENU DOWN. Most of the time, you can press either of the menu keys, so in those cases, the text uses the word MENU. Usually, when the instructions say MENU, you can press the MENU UP key for consistency.
The MENU UP key cycles forward through the menus. The MENU DOWN key moves backward through the menus. To check out the menus, repeatedly press a MENU key to scroll through them.
UP & DOWN ARROWS (↑ ↓)
These Up and Down arrow keys are referred to as ↓ (DOWN) or ↑ (UP) in this manual. You will use these keys to adjust most features and functions on the
Memory
This unit has permanent memory that saves the following user settings when power is turned off: Units of Measure, Temp Size, Depth Size, Fish I.D. mode, Noise Reject mode, Range mode, Zoom, Sensitivity, Grayline, Chart Speed, Battery Alarm, Display Contrast, Backlight, Language, Fish Alarm, Battery Alarm and Shallow and Deep alarms. It does not require, nor does it use an internal backup battery, so you never have to worry about replacement batteries.
Menus
This unit's menus will guide you through its various functions and fea- tures. Menu names and settings appear in the manual as small capital letters like SENSITIVITY, which refers to the Sensitivity menu.
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