Service manual

LUMISCAN ACR-2000 SERVICE MANUAL – SECTION 7.0 DIAGNOSTICS
Enter > 7 (Plot CAL table) - plots the DACQ CAL table. A normal CAL table will
look somewhat like an irregular “M” shape. A screen must be scanned before a Cal
curve is generated.
Enter > 8 (Reset Scan) - This resets the scanner driver.
Enter > 9 (Test CAL & LUT Memory) - This writes a specified pattern to the LUT
Enter > 10 (Display A/D Value) - This writes a specified pattern to the LUT memory.
Resources are either FAILED or PASSED. See 7-10.
L = Laser on/off 1=dim 2=full on 0=off
E =
B = Turn the Blue on and off
V =
I =
Enter > 11 (Change Parameters) - You can change any of the following DACQ timers.
Numbers given are example calculated values.
1. Scan Motor Clock = 25000
2. Screen Motor Clock = 1956
3. Pixel Clock = 122
4. Delay to First Pixel = 1484
5. Pixels Per Line = 2048
6. Lines Per Screen = 5
7. Variable Scan Mode = VARIABLE
8. Bits Per Pixel = 12 Bits
9. Pixel Byte Order = LSB/MSB
10. Reset to Defaults
Select Parameters ->
Enter > 12 (Start Motor) - You can start the motor in the specified direction.
Enter > 13 (Diagnostic Scan) - perform a specified diagnostic scan from the sub-menu.
Enter > 14 (Test Image Memory) - the specified pattern is echoed to the DCB memory.
PASSED or FAILED are the expected responses.
Enter > 15 (Stop Scan & Eject) - Stops the scan in progress and ejects the screen.
Enter > 16 (Reset HARDWARE) - This resets the scanner driver( doesn't reload the
driver), the DACQ & DCB hardware. Also reloads the CLUT.
Enter > 17 (quit) Set Averaging Mode ) - Unused for current system.
Enter > 18 (Set laser Mode) - Turns LEDs on and off.
Enter > 19 ( Pulse Screen Feed) - Loads a screen from the screen loader.