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15. Troubleshooting
15.5 Laser pointer
No laser dot can be seen
Possible cause Action
Laser pointer not activated
Switch on the laser pointer via the XDS RACU user interface
Laser aperture is covered Remove the object covering the laser aperture
Laser dot is pointing off the screen
Aim the laser dot on a location on the screen
Laser beam blocked Remove blocking objects
Laser pointer not well connected
Plug in the USB cable on the Laser pointer. See image 15-9
and image 15-10 below.
AutoAlignment Head not powered
See concerning topic above
Bad communication Check LEDs on the LEX unit (see concerning topic)
Plug in both RJ45 connectors of the SFTP Cat.5e cable
Plug in the USB connector of the LEX unit to the MCU USB port
and perform a power cycle on the AutoAlignment Head
Remove any HUB from the line AutoAlignment Head — MCU
Laser pointer not detected (see the procedure below to check if
the camera is detected)
Unplug and plug in the USB connector of the LEX unit to the
MCU USB port and perform a power cycle on the AutoAlignment
Head
Stop and restart XDS RACU Server on the MCU
Image 15-9
Laser pointer: USB cable (AutoAlignment Head standard version)
Image 15-10
Laser pointer: USB cable (AutoAlignment Head rugged version)
Checking if the laser pointer has been detected
1. On the MCU, browse to S tart > Adm inistrative Tools > Devices
2. In the list, check if USB Serial Converter is present
R59770509 AUTOALIGNMENT HEAD GEN II 26/11/2013 159