
GA-40 T plus OPERATION
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5 OPERATION
5.1 USE OF THE KEYBOARD
5.1.1 Description of the keys
LIGHT - Switches the backlighting of the display on or off.
HELP - Calls up the help option for the current screen.
ZOOM - Switches the data screens to large scale mode or back.
STORE - Switches to the STORE menu
DATA - Switches to the first results screen. From the current results, the use of this key
switches between MEASURE and HOLD.
MENU - Switches to the MAIN MENU
ENTER - Confirms entries and switches options
0 to 9 - Alphanumeric keyboard for entering data and for fast movement between MENU
options
. - Decimal point when entering data. If used when the screen is showing RESULTS,
this key switches the zoom function on or off.
PRINT - starts a print-out
PAPER - moves the paper forward one line
ON - switches the analyser on
OFF - switches the analyser to stand-by or off
À - moves one step backwards in the menu
Á - moves one step forward in the menu
 and à - move the cursor vertically in the menu
5.1.2 Selecting Menu Options
The menu structure is shown at the end of the manual. The various displayed menus are leading the user
through the structure.
The following picture shows an imaginary screen, which explains the different types of existing lines.
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