Calibration Procedure : Voltage - Welch Allyn Spot Vital Signs Service Manual

Welch Allyn, Inc. Spot Vital Signs Service Manual
Revision A
VOLTAGE CALIBRATION
1. Connect the unit to the test station by hooking up the pneumatic tubing, and removing the battery
and connecting the power supply. Ensure that there are no obstacles in the way of the IR window.
Adjust the power supply to 5.5 +0.2/-0 Vdc.
2. Place the unit into the "configuration test mode" by holding down the start button while powering
up the unit. Allow the software versions to be displayed then press the mode button until the unit
displays "BAT" in the LCD window.
3. Go to the repair software and choose Calibrate|Voltage.
4. View the digital multi-meter (DMM) that is connected to the power supply reading the voltage.
Move the cursor to the "Calibrated Voltage" box and type in the voltage that you observe on the
DMM. In the software, select "Update."
5. The software will then prompt you to enter in a "Calibration Signature." Move the cursor to the
box and enter the three initials of your name. Then select "OK."
6. At this point you should see the voltage on the LCD display of the unit change to match that of
the DMM.

3.2 Calibration Procedure : Voltage

END OF SECTION 3.2
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