Teledyne 7500 - Infrared gas analyzer - operating manual - Manual (Page 47)

47 Model 7500 Instruction Manual
Teledyne Analytical Instruments
6.5 Setting of auto zero calibration
6.5.1 Auto zero calibration
Auto zero calibration is automatically carried out when
zero calibration are set.
Components for which a calibration is to be made are
determined by setting of auto calibration component in
6.2.4.
Before changing the setting of auto zero calibration, set
the ON/OFF to OFF.
1. During measurement, press the MODE key to display
the User mode.
2. Point the cursor to “Setting of Auto Zero Calibration”
by pressing the UP or DOWN key. Press the ENT key.
3. In the “Setting of Auto Zero Calibration” screen that
appears, point the cursor to any item you want by
pressing the UP or DOWN key. Press the ENT key.
4. In the “Auto Zero Calibration Parameter Setting”
screen that appears, perform the value entry or the
setting. For the value entry or setting change, use the
UP or DOWN key. To change the setting, use the RIGHT
key to move the cursor to the right.
After setting, press the ENT key, and auto zero
calibration is carried out by the entered setting value.
Description of setting items
• Start Time: Setting at the first calibration (day of the
week, hour, minute)
• Cycle: A period between the start time of one
calibration and another (unit : hour/day)
• Flow Time: The time required for the calibration gas to
be replaced in the cell
• ON/OFF: Auto zero calibration ON or OFF
To close “Auto Zero Calibration”
To close the “ Auto Zero Calibration “ or cancel this
mode midway, press the ESC key. A previous screen will
return.