Teledyne 7500ZA - Infrared Gas Analyzer - Manual (Page 76)

Settings and Calibration Model 7500ZA
Teledyne Analytical Instruments 60
6.6 Parameter Setting
From the Parameter Setting screen you can set or adjust various
parameters of the instrument such as time, key lock, etc. Settable items
are as follows:
Description of setting items
• Current Time : Current year, month, date, day of the week, hour,
and minute setting. (The display appears in this order.)
• Note: The clock backup time is 2 days. If power is turned on
after being off for 2 days or longer, the time must be set again.
• Key Lock : Invalidates any key operation except canceling the
key lock.
• Output Hold : Sets whether Calibration Output is held or not, and
the holding value setting.
• Response time : Sets the response time of electrical system.
• Average Period : Sets the moving average time.
• Backlight Timer : Sets automatic OFF of the backlight of display
unit and its timer.
• Contrast : Adjusts contrast of the LCD.
• Maintenance Mode : A password protected entry screen used to
access the instrument’s maintenance mode.
* For the maintenance mode, see Section 6.7.
1. Enter the “Parameter
Setting” screen from the user
mode, and the display shown
at right appears. Use the UP
or DOWN key to move the
cursor to the desired item
and then press ENT.