142 AO2000 CONTINUOUS GAS ANALYZERS | OI/AO2000-EN REV. B
Numeric keypad
Numeric keypad
Error Maint Power
7
8
9
654
12
3
0
.
The numeric keypad is located to the right of the screen, under the status
LED’s.
to ,
,
The operator can enter values directly with the:
• numeric keys "0" through "9"
• decimal point "." and
• minus sign "−".
Examples:
• Test gas concentration,
• Date and time
• Air pressure
• Password
NOTE
Any digits displayed cannot be overwritten directly. They must be deleted
with the BACKSPACE or CLEAR key before new digits can be entered.
Entering text with the numeric keypad
The "Text entry" (see page 146) section explains how to enter information
such as sample component or user names with the numeric keypad.
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