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Is the monitor plugged into the wall outlet and
turned ON?
Are BNC and S-Video cables connected to the
monitor and Platform Box? Are the
cables defective? Try substituting
new video cables. Trace video
cables through the system, ensuring
that they are properly connected
through the peripherals and into the
monitor.
Is the monitor set up properly? Is the video
connection made to the correct
connector on the monitor? Ensure
that the proper video channel is
selected on the monitor, and that the
brightness is properly set.
Are all accessories (VCR, video printer, etc.)
turned on and switched to "Line"? Is
the VCR record button ON? Try
disconnecting the accessories.
Is the rod lens scope properly secured to the
Optical Coupler?
Lamp is Off, power LED ON
Was the lamp able to "cool down" before the
power was turned ON? If not, turn
the Platform Box OFF, wait 10
seconds, and turn it back ON.
If the lamp still does not start even after being
allowed to cool down, replace the
lamp assembly (see Lamp
Replacement Section).
If problem persists with new lamp, return
Platform Box to Welch Allyn for
repair.
No Picture, Power LED is
illuminated, Lamp is
illuminated
Page 20
Welcl^Allyii
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