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Operation
where Manual and Automatic can be toggled back and forth using the
▲/▼ arrow keys. Once the proper mode is displayed, press ENTER.
The following screen appears:
This screen allows the user to add a zero offset if desired. With the
value adjacent to Zero Offset blinking, use the ▲/▼ arrow keys to enter
any offset required. Press ENTER when finished.
4.5.2.3.1 Manual Zero
If manual zero mode was selected, the following screen appears:
In the Manual Mode, the user has the opportunity to decide when
the zero settling is close enough to zero to be valid. When the value
adjacent to
is sufficiently close to zero and sufficiently stable, press
N2
ENTER to accept the zero reading.
After pressing ENTER two screens will appear that indicate that the
zero level has been acquired and will report the live adc value for the
two gains in the amplifier (G0 and G1) as well as the change (Δ).
shortly followed by:
4.5.2.3.2 Auto Mode Zero
If AUTO mode was selected from the Zero Mode Selection screen
the following screen appears:
Teledyne Analytical Instruments
Select Zero
Mode : Manual (Auto)
Zero Offset
<ENT> to Begin
N2: 1.2
b
p
p
<ENT> to Finish
Zero Acquired
Δ 1.2
Zero Acquired
Δ-0.2
Model 2120XL
0.0
b
p
p
Zero
G1/1
Val:-12345
G0/1
Val:-12345
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