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MODEL TCL SECTION 6
START-UP
21
6.2 KEYPAD
Local communication with the analyzer is through the membrane keypad. Figures 6-4 and 6-5 explain the
operation of the keys.
FIGURE 6-4. Analyzer keypad. Four navigation keys move the cursor around the screen. The position
of the cursor is shown in reverse video. The navigation keys are also used to increase or decrease the
value of a numeral. Pressing ENTER selects an item and stores numbers and settings. Pressing EXIT
returns to the previous screen without storing changes. Pressing MENU always causes the main menu
to appear. .
FIGURE 6-5. Navigation keys. The operation of the navigation keys is shown. To move a decimal
point, highlight it, then press the up or down key
Moves cursor to
the left.
Moves cursor up or increases
the value of the selected digit.
Moves cursor
to the right.
Moves cursor down or decreases
the value of the selected digit.