4-11
4.1.1.1
Function Keys
The five Keys at the keypad’s top are functional controls used in controlling the Deck Unit. They are
described in
. The remaining Keys provide function adjustments and are described in
KEY
DESCRIPTION
NAME
FUNCTION
Transducer with an
()
Transmit Power
Out
Output power can be adjusted from 0 to 9, with zero being the
lowest output level.
Transducer with an
(I)
Receive
Sensitivity
Receive sensitivity can be adjusted from 0 to 9, with 0 being the
least sensitive.
Eye)
Display Contrast
Going up or down will change the contrast on the display 0 to 9.
Headphones
Headphone
Volume
The range is 0 to 9, with 9 being the loudest.
Light bulb
Backlight
Pressing this will toggle the backlight on and off.
Table 4-1: Keypad Functional Key Descriptions
KEY
DESCRIPTION
NAME
FUNCTION
0-9
Zero – nine
Place the digit on display or choose a menu item
.
Decimal
Place a decimal point in number
CLR
Clear
Clear number from the display
MENU
Menu
Enter the menu for set up
GRD
Guard
Press and hold during guarded commands
Also used as “shift” for entering letters
RNG
Ranging
Enter ranging mode
CMD
Command
Enter command mode
▲
Up arrow
Increase the value displayed
▼
Down arrow
Decrease the value displayed
M/R
Repeat mode
Switch between repetitive and manual ranging
ENT
Enter
Enter the number on the display
Table 4-2: Keypad Function Adjustment Key Descriptions