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4 Operation Model 3020T
4-4
Teledyne Analytical Instruments
9 RANGE: Used to set up three analysis ranges that can be
switched automatically with auto-ranging or used as individual
fixed ranges.
10 STANDBY: Remove power to outputs and displays, but
maintain power to internal circuitry.
Any function can be selected at any time. Just scroll through the MAIN
MENU with the DOWN/UP control to the appropriate function, and ENTER
it. The analyzer will immediately start that function, unless password
restrictions have been assigned. (Password assignment is explained further
on.)
All of these functions are described in greater detail in the procedures
starting in section 4.3. The VFD screen texts used to illustrate the procedures
are reproduced in a Monospaced type style.
4.2.2 Data Entry
4.2.2.1 ENTER
When the item you want from the VFD screen appears between the
arrows on the VFD screen, ENTER it using the ESCAPE/ENTER control.
When the selected option is a function or subfunction, ENTER moves
to the VFD screen for that function or subfunction.
When the selected option is a modifiable item, the DOWN/UP control
can be used to increment or decrement that modifiable item to the value or
action you want. Then you ENTER the item.
ENTER then puts you into the next field to continue programming. If
the screen is completed, ENTER takes you to the next screen in the process,
or if the process is completed, ENTER takes you back to the ANALYZE
screen.
4.2.2.2 ESCAPE
If you do not wish to continue a function, you can abort the session
with a turn-and-release toward ESCAPE. Escaping a function takes the
analyzer back to the previous screen, or to the ANALYZE Function, depend-
ing on the function escaped.