Advanced instruments inc – Analytical Industries GPR-2900 Series Oxygen Analyzer User Manual
Page 15

Advanced Instruments Inc.
15
Establishing Power to the Electronics:
Once the power to the electronics is established, the digital display responds instantaneously. When power is applied, the
analyzer performs several diagnostic system status checks termed “START-UP TEST” as illustrated below:
START-UP TEST
ELECTRONICS – PASS
TEMP SENSOR – PASS
BAROMETRIC SENSOR – PASS
REV. 1.61
Note: The analyzer display defaults to the sampling mode when 30 seconds elapses without user interface.
3.3%
AUTO SAMPLING
10 % RANGE
24.5 C
LO1 1% 10% HI2
Menu Navigation
The four (4) pushbuttons located on the front of the analyzer
operate the micro-processor:
1. blue ENTER (select)
2. yellow UP ARROW
3. yellow DOWN ARROW
4. green MENU (escape)
Main Menu
Access the MAIN MENU by pressing the MENU key:
MAIN MENU
AUTO SAMPLE
MANUAL SAMPLE
CALIBRATION
CONFIG ALARMS
BYPASS ALARMS
Range Selection
The GPR-2900 analyzer is equipped with four (4) standard measuring ranges (see specification) and provides users with a
choice of sampling modes. By accessing the MAIN MENU, users may select either the AUTO SAMPLING (ranging) or MANUAL
SAMPLING (to lock on a single range) mode.