Keypad (3)
The keypad contains numbers 0-9, decimal point/minus key () and a space/plus key (
). The
number keys are used to input numbers; in those cases where letters can be entered, the number
keys act like a telephone keypad.
The (
) and key () button functions depend on context. When editing a floating point number,
the key () inserts a negative sign if the editing cursor is at the start of the number and negative
signs are allowed. Otherwise it moves the decimal place to the current cursor location. The (
)
key inserts a positive sign if the cursor is at the start of the number; otherwise it enters a space.
For non-floating point numbers, these keys usually increment or decrement the current value by 1.
When editing the month field of a date, the (
) key and () key change the month.
Instrument Status Light Buttons (4)
Located in the top left corner, these lights indicate the status of the instrument as a whole.
A flashing red light indicates that the instrument has a major failure and is not functioning
An orange light indicates there is a minor problem with the instrument, but the instrument may
still take measurements reliably
A green light indicates that the instrument is working and there are no problems
In the case of an orange or red light enter the Main Menu Analyser State Status Menu to find
which components are failing (refer to Section 3.5.4).
The green status button will cancel any open edit box or menu and return to the main display.
If no instrument status lights are on and the keypad is backlit, then this indicates that the instrument
is running the bootloader.
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