24
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 ex-
planations 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 selec-
tions 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, re-
peatedly 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 X-4 Pro.
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 let-
ters like
S
ENSITIVITY
,
which refers to the Sensitivity menu.
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