Functional Overview; Power On/Off And System Check Procedure - Welch Allyn Spot Vital Signs Service Manual

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Functional overview

This functional verification procedure helps to confirm the proper operation of the Spot
Vital Signs and options. This procedure supports the requirements of routine preventative
maintenance. It is not necessary to disassemble the Spot Vital Signs to perform this
procedure.
For the calibration procedures, see "Calibration" on page 25. If the Spot Vital Signs fails
certain functional tests or a circuit board is replaced, the device may require calibration. It
is necessary to disassemble the Spot Vital Signs for calibration.
Always perform this functional verification procedure after performing any calibration. This
procedure contains additional tests that are not included in calibration procedures.

Power on/off and system check procedure

Press the Power button to turn the device on or off. Upon each power up, all the LCD
segments in each display turn on briefly and two beeps sound. If the internal self-check is
successful, the display shows its normal functions (see page 15) and the device is ready
for operation. If the self-check fails, an error code is shown in the on the display.
To turn the unit off, press the Power button.
Turning the unit off erases measurement data.
Note