3.3 General Operation Information
3.3.1 Keypad & Display
The instrument is operated with the use of four sets of buttons:
Figure 41 – Front Panel
Selection Buttons (1)
The selection buttons will perform the function specified directly above it on the screen. Generally this
involves opening a menu, editing a value, accepting or cancelling an edit or starting an operation.
Scrolling Buttons (2)
The scrolling buttons allow the user to scroll up and down through menus or selection boxes. The
scrolling buttons are also used to scroll side to side through editable fields such as: Dates, Times,
Numbers etc.
On the home screen these buttons are used for adjusting the screen contrast. Press and hold the up
button to increase contrast; press and hold the down button to decrease.
Keypad (3)
The keypad contains the numbers 0 - 9, a decimal point/minus key () and a space/plus key (
).
In the few cases where letters can be entered, the number keys act like a telephone keypad. Every
time a number key is pressed, it cycles through its choices. The up/down arrow keys scroll through all
the numbers and the entire alphabet.
Table 5 – Front Panel Buttons Function
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