Portable Trace Oxygen Analyzer Operation
Teledyne Analytical Instruments 29
At any time you can press the ESC key to abort the entry and return
to the DATE screen.
3.2.5 STANDARD ALARM Screen
Note: Alarm relays are not included on the standard version of the
3110.
During an alarm a blinking “AL” will appear in the upper right
corner of the display. Use the UP/DOWN keys to navigate to the
STANDARD ALARM screen. This screen displays the alarm setpoint on
the lower line. You can change the setpoint and on this screen.
To change the alarm setpoint or toggle between ppm and %:
1. Press ENTER to enter the alarm setup function. Note the
navigation arrows that appear on the left and right sides of
the display change from UP/DOWN to LEFT/RIGHT
2. Use the UP/DOWN keys to alter the value in the setpoint
field. Then press ENTER to accept this new value. The
cursor will move over to the next editable field.
3. Use the UP/DOWN keys to toggle between PPM or % then
press ENTER to accept the change.
4. Press ENTER again to save the setpoint changes and return
to the STANDARD ALARM screen.
3.2.6 ALARM Enable
The next four screens determine the characteristics of the alarm:
whether it is on or off, failsafe or non-failsafe, HI or LOW activating, or
latching or non-latching in its operation.
From the ALARM ENABLE screen you can set whether the alarm is
on or off.