Discovery QDR Series Technical Manual
6-8
6.8 Targeting/Laser Problems
6.9 Data Communications Problems
Data communications problems occur between the computer and the scanner. Refer to the
following table:
No display may indicate a bad Detector
Assembly
see “Data Acquisition System (C, W, and SL) ” on
page 2-20
Check aperture position and aperture belt see “Aperture Calibration ” on page 4-9
Also...
Run the hardware checker see “SQVERIFY” on page 9-10
If... Check... Refer to...
Object being
scanned appears
Detector array. It may be too far forward or
back inside the upper arm assembly.
Figure 5-11
to the left or right Laser alignment Page 4-26
of the scan window Run... Detector Flattening Page 4-29
Error messages usually
include the keywords:
Check the:
Message Packet
Sent
Received
Digital Signal Processor. If IC is not seated properly, replace the
board.
Data, power, and ribbon cables for proper seating.
Device states in the SQDRIVER for errors. If a device is stated as
“E_TIMEOUT”, it is suspect.
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