Teledyne 7600 - Infrared gas analyzer - operating manual - Manual (Page 87)

Infrared Gas Analyzer Operation
Teledyne Analytical Instruments 87
1. From the output adjustment screen which accessible from
the maintenance mode menu, move the cursor with the
UP or DOWN key to the output (OUT No. and zero/
span) to be adjusted, and then press the ENT key.
2. The selected value is highlighted. Adjust the value using
the UP or DOWN key while watching the output on the
digital multi-meter. Press the SIDE key to select the next
digit.
3. On completion of the adjustment, press the ENT key.
3.6.7 Other Parameters
The last submenu of the maintenance mode menu contains a group
of parameters that may be modified by the user. These include:
• Password Set: Set the password used to enter the
maintenance mode. An arbitrary 4-digit
number can be selected.
• O
2
Ref. Value: Set the oxygen concentration reference
value at the time of oxygen correction
calculation. Settable in the range from 00
to 19%.
• Limit: Set the oxygen concentration limit at the
time of oxygen correction calculation.
Settable in the range from 01 to 20%. See
O
2
correction concentration value in
Section 3.3.1 Measurement Mode for
oxygen correction calculation procedure.