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Settings and Calibration Model 7500ZA
Teledyne Analytical Instruments 50
• Cycle : The period between the start time of one calibration and
the next (unit: hour/day)
• Flow Time : The time required for purging with calibration gas.
Time required for replacement of sample gas after the calibration
is completed (Set by calibration gas. See the next page.)
• ON/OFF: Turns the auto calibration feature ON or OFF.
To close the Auto Cal Settings screen or to abort the entry midway,
press the ESC key. The previous screen will return.
Gas flow time setting
1. With the cursor on “Flow Time”, press the ENT key to bring up
the Flow Time screen.
2. Move the cursor to the gas
you want to change by
pressing the UP or DOWN
key, and then press ENT.
3. The highlighted value can be
changed by pressing UP or
DOWN key, and then using
the SIDE key move the
cursor to the right to alter the
next digit.
4. After changing the value,
press the ENT key to save
the setting.
5. Press the ENT key again to
return to the Auto Cal Setting screen.
Note: Only the channels used are displayed on this screen. The
Ex. time sets the output signal hold extension time that
follows the completion of calibration. It is valid only when
the hold setting is set to “ON.” The Ex. time set here is also
the hold extension time used in a manual calibration.