116 9 November 2001 Transmitters
4. Activate the laser by turning the key clockwise. The
PWR LED glows steadily and the yellow LASER LED
lights. If the LASER LED does not light and stay lit, check
the following:
• the shield is in place,
• the bottom screw holding it is tightened, and
• the key switch is on.
LED Status Explanation
The LASER LED is dark, and
the green PWR LED is
blinking.
The transmitter has been disabled by Automatic
Shutdown. Check optical link status.
The LASER LED flashes
periodically.
The transmitter, directed by a restart signal from the
return receiver, is checking link status.
The LASER LED blinks
continuously, and the PWR
LED glows steadily.
Laser temperature is 65°C - 75°C.
The LASER LED is dark, and
the PWR LED glows steadily.
If this occurs at start-up, the shield may be out of place or
the bottom screw securing the shield is not tight.
If the unit has been running, laser temperature may be
greater than 75°C.
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