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Performance Verification
10
3. The N-550B automatically starts the Power-On Self-Test (POST), which
tests N-550B circuitry and functions.
CAUTION: During POST (immediately after power-up), confirm that all
display segments and indicators light, and the speaker sounds a
one-second pass tone.
4. While performing POST, the self-test display appears for approximately
five seconds. During this time:
•
All indicators illuminate
•
All segments of all numeric digits light and change from red to green
•
All segments of the Pulse Amplitude Display light
All segments of the SatSeconds indicator light
•
5. Once the display test portion of POST is complete, the N-550B version is
displayed for approximately two seconds.
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