User guide

S900 User Guide
clarity of scanned fingerprints in real-time.
Start at the Auto test Menu:
Scroll with the ▲/▼ keys until Sensor Test is highlighted. Then
press OK to accept.
Place finger(s) repeatedly on the sensor and observe the recorded
images.
If images are acceptable, press the ESC key at any time to return to
the Auto test Menu
e) Real-time clock (RTC) Test
This test ensures the clock is operating normally down to the
millisecond.
Start at the Auto test Menu:
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