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SIGNALPOINT PRO OPERATING MANUAL
8.1 Setting full scale detection range
Each plug in sensor has a default (recommended) full scale detection range.
For most sensors this range is user adjustable. The associated controller's alarm
level should not be set less than 3% of the detector's full scale detection range.
Refer to Section 7 for default full scale ranges and available adjustable ranges.
To set the full scale range to a new value follow the procedure below:
1. Loosen the 2 transmitter lid screws and carefully open the hinged lid.
2. Locate the two push button switches marked Mode and Set located on the
back of the transmitter lid.
3. With the instrument in normal operating mode, press and release the Mode
button once. Then, press and hold down the Mode button for about 5
seconds until it reads "SPA xxx" where "xxx" is the detection range.
4. To change the range, press and release the Set button to increment the
display reading until the desired value is reached.
5. With the range set to the new value, press the Mode button to return to the
normal operating mode.
6. Close the transmitter lid and re-tighten the two screws.
Note: The unit will be inhibited during this mode. It will exit this mode if no button is
pressed within 30 seconds
8.2 Changing span calibration point
Each plug in sensor has a default (recommended) span calibration point. For most
sensors this point is user adjustable. Refer to Section 7 for default span calibration
points and adjustable calibration point ranges.
To set the span calibration point to a new value follow the procedure below:
1. Loosen the 2 transmitter lid screws and carefully open the hinged lid.
2. Locate the two push button switches marked Mode and Set located on the back
of the transmitter lid.
3. With the instrument in normal operating mode, press and release the Mode
button.
4. The display will read CAL 'xx'. 'xx' is the recommended default level if no
adjustment has previously been made (e.g. '100' for CO)
5. To change the span calibration point, press and release the Set button to
increment the display reading until the desired value is reached.
6. With the span calibration point set to the new value, press the Mode button to
return to the normal operating mode.
7. Close the transmitter lid and tighten the two screws.
Note: The span calibration point may be checked at any time by pressing the Mode
button while the instrument is in normal operating mode. Pressing the Mode button
again will return the unit to normal operating mode. The unit will be inhibited during
this mode. It will exit this mode if no button is pressed within 30 seconds
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MAN0853 Issue 3 10/08
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