Analytical Industries GPR-1000 ATEX Portable Trace PPM Oxygen Analyzer - Manual (Page 13)

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Establishing Power to the Electronics:
Establish power to the analyzer electronics by pushing the red ON/OFF key. 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
BATTERY – PASS
TEMP SENSOR – PASS
BARO – N/A
REV. 1.37
In the unlikely event the LED warning indicator LOW BATT comes on when the analyzer is turned on – proceed
immediately to the sub-section on Battery Considerations at the end of section 5 Operation.
Note: The analyzer display defaults to the sampling mode when 30 seconds elapses without user interface.
00.00 PPM
AUTO SAMPLING
10 PPM RANGE
24.5 C
Menu Navigation:
The five (5) pushbuttons located on the front of the analyzer operate the
micro-processor:
1. green ENTER (select)
2. yellow UP ARROW
3. yellow DOWN ARROW
4. blue MENU (escape)
5. red ON/OFF