Analytical Industries GPR-1900 Series Trace PPB Oxygen Analyzer - Manual (Page 22)

Advanced Instruments Inc.
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5. Advance the reverse shade cursor using the ARROW keys to highlight the ALARMS AUDIBLE/SILENT option, which appear
as either ALARMS AUDIBLE or ALARMS SILENT.
6. Press the ENTER key to toggle and change the displayed setting. After 3 seconds, the system returns to SAMPLING mode.
3.3
PPM
AUTO SAMPLING
100 PPM RANGE
24.5 C
LO1 2 PPM 10 PPM HI2
Bypass Alarms:
This feature, separate from CONFIG ALARMS above, enables the user to disable the local audible alarm and relay contacts
during calibration or servicing. The alarms are enabled when the alarm condition is corrected.
1. Access the MAIN MENU by pressing the MENU key.
2. Advance the reverse shade cursor using the ARROW keys to highlight BYPASS ALARMS.
3. The following displays appears:
MAIN MENU
AUTO SAMPLE
MANUAL SAMPLE
CALIBRATION
CONFIG ALARMS
BYPASS ALARMS
4. Press the ENTER key to bypass and disable both the local audible alarm and relay contacts. After 3 seconds, the system
returns to SAMPLING mode.
Note: The appropriate alarm setting will alternately reverse shades indicating the alarm condition exists but the BYPASS
ALARMS feature has disabled the local audible alarm and relay contact. The alarms are enabled when the alarm condition is
corrected.
3.3
PPM
AUTO SAMPLING
100 PPM RANGE
24.5 C
LO1 2 PPM 10 PPM HI2
Installation & Start-up is now complete . . . proceed to Calibration