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Operation
Model 2120XL is accurate to 2-3 %. Accordingly, internally
scheduled calibrations can vary 2-3 % per day.
To setup an Auto Cal cycle:
Choose SYSTEM from the function buttons. Use the ◄►arrow
keys to position the blinking over the More function, and press ENTER.
A second display of System functions will appear. Use the ◄►arrow
keys again to position the blinking over the Auto Cal function, and
press ENTER to enter the function. The following screen will appear:
Press the ▲/▼ arrow keys to blink ZERO (or SPAN), then press
ENTER again.
Note: You will be unable to set OFF to ON if a zero interval is
entered.
A Span Every ... (or Zero Every ...) screen appears.
Move the blinking highlight to the Day field , then use the ▲/▼
arrow keys to display the correct value for the day.
Once the correct day is displayed press ENTER to accept the value
and to move to the start-time value. Use the ▲/▼ arrow keys to set a
start-time value. Press ENTER again to accept the value.
To turn ON the SPAN and/or ZERO cycles (to activate the auto cal
feature):
If a scheduled day and time has just been entered, press ESCAPE to
return to the previous menu or press SYSTEM again and move to the
AUTO CAL function with the ◄►
When the ZERO/SPAN values screen appears, use the ▲/▼ arrows
to blink the ZERO (or SPAN) and press ENTER to go to the next screen.
Use the ◄► arrows to select the OFF/ON field. Use the ▲/▼arrows to
set the OFF/ON field to ON. You can now turn these fields ON because
there is a nonzero span interval defined.
Teledyne Analytical Instruments
Zero In
0d 0h Off
Span In
0d 0h Off
Zero schedule: OFF
Day: Ød Hour: Øh
and press ENTER again.
keys
Model 2120XL
48
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