Analytical Industries GPR-3100 Series Oxygen Purity Analyzer - Manual (Page 22)

Advanced Instruments Inc.
5 Operation
GPR-3100 Rev 2/05 15
Establishing Power to the Electronics:
Once the power cord is connected into to the power entry module at the rear of the enclosure as
illustrated above, connect the plug end to the appropriate AC outlet.
When power is applied to the analyzer, the analyzer performs diagnostic status checks and the 5” x 2.75”
graphical LCD displays the following:
Note: After establishing power to the analyzer, place the SENSOR BYPASS SWITCH (SW1) in the ON
position. SW1 has been placed on the OFF position prior shipment as a precautionary measure to isolate
the sensor from the electronics. SW1 is located near the ribbon cable connector on the right side of the
Main Micro-processor / Display PCB Assembly attached to the front door of the analyzer.
A few seconds after the completion of the status checks the LCD will display the following information:
A few seconds after the information display appears the LCD will display the MAIN MENU.
System Self Test
CPU OK
Memory OK
RTC OK
Analog OK
GPR Series Oxygen Analyzer
Serial No.
Advanced Instruments Inc.
2855 Metropolitan Place
Pomona, CA 91767
Tel: 909-392-6900
Fax: 909-392-3665