Teledyne 7500ZA - Infrared Gas Analyzer - Manual (Page 59)

NDIR Gas Analyzer Settings and Calibration
Teledyne Analytical Instruments 43
The range identification contact is interlocked with the range after
the switch. However, if the hold setting is set to “ON,” the contact status
before calibration is maintained.
5. Press the SIDE key in the state described in (3), and the
highlight is toggled between “enable” and “disable” auto
calibration.
6. Select “enable” of “disable” by pressing the UP or DOWN key.
7. Then press the ENT key to save your selection.
To close the Auto Calibration Settings screen or to abort the entry
midway, press the ESC key. The previous screen will return.
Auto Calibration Operation
Auto calibration is performed under the following rules.
1. Zero calibration is performed at the same time, for the Ch
(component) in which “enable” is selected at the time of auto
calibration and auto zero calibration.
2. Span calibration is performed in the order from smallest Ch No.,
for the Ch (component) that have “enable” set in the Auto
Calibrations Setting screen.
Note: ZERO calibrations for components which have been set to
“enable” in the Auto Calibration Settings screen (above)
are performed in batch irrespective of the description in
“6.2.2 Manual Zero Calibration.”