Escape; The Auto-Cal Function - Teledyne 3020T Operating Instructions Manual

Trace Oxygen Analyzer

4.2.2.2 ESCAPE

A turn-and-release toward ESCAPE moves the blinking to the next
field on the left. When you are on the leftmost field, another ESCAPE
takes you back to the previous screen.
If you do not wish to continue a function, you can abort the session
by escaping to the leftmost field, and then issuing another ESCAPE.
Escaping a function takes the analyzer back to the previous screen, or to
the ANALYZE Function, depending on the function escaped.

4.3 The AUTO-CAL Function

When proper automatic valving is connected (see chapter 3,
installation), the Analyzer can cycle itself through a sequence of steps
that automatically zero and span the instrument.
Note: If you require highly accurate timing of your AUTO-CAL,
use external AUTO-CAL control where possible. The
internal clock in the Model 3020T is accurate to 2-3 %.
Accordingly, internally scheduled calibrations can vary 2-
3 % per day.
To setup an AUTO-CAL cycle:
Scroll to AUTO-CAL, and ENTER. A new screen for Span/Zero set
appears.
If SPAN (or ZERO) is not flashing, scroll with DOWN/UP control
), then ENTER. (You won't be able to set OFF to ON
to (or
SPAN ZERO
if a zero interval is entered.) A Span Every ... (or Zero Every ...) screen
appears.
Use DOWN/UP control to set an interval value, and ENTER. Then
use DOWN/UP to set a start-time value, and ENTER.
When the Span/Zero values screen appears, use the scroll DOWN to
blink the OFF/ON field of the SPAN (or ZERO) function. Use
Teledyne Analytical Instruments
Span OFF Nxt: 0d 0h
Zero OFF Nxt: 0d 0h
Span Every 0 d
Start 0 h from now
Span OFF Nxt: 0d 0h
Zero OFF Nxt: 0d 0h
Operation
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