Functional verification and calibration
overview
Functional verification tests
The functional verification tests help to confirm the proper operation of the device and its
options. The tests may also be useful as a diagnostic tool to help isolate a malfunction. It
is not necessary to disassemble the device to perform these tests.
For periodic service, you can—at a minimum—perform the basic functional verification
tests described in this manual. If you have the Gold edition of the service tool, you have
the additional capabillity to perform a complete functional verification and calibration of
the device, but this is not required for minimal periodic service.
In contrast, any time you open the device case, you must use the service tool, Gold
edition, to perform a complete functional verification and calibration of the device before
returning the device to service.
Note For instructions on using the Gold edition, see the service tool help files.
About the Welch Allyn Service Tool
The service tool is required to complete functional verification and calibration tests. The
service tool is available in the following editions:
• Standard unlicensed edition: Enables NIBP functional verification tests to satisfy
the recommended annual service. If any Standard unlicensed edition testing shows
an out-of-specification result, use the Gold edition to perform a full calibration.
• Gold edition: Checks the functionality and calibration of the device. As it checks the
device, the Gold edition also performs any needed calibration to bring the device
within specifications. This full suite of tests is required to complete a repair. Each
time you open the case, you must use the Gold edition to test the device before
returning the device to normal use.
For information about the service tool, see the following:
• For instructions on installing and using the service tool, see the Welch Allyn Service
Tool Installation and Configuration Guide.
• To use the Standard unlicensed edition to test the NIBP module, follow the
instructions in this service manual.
• For instructions on using the Gold edition, see the service tool help files.
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