Metek 933 - Page 73

Installation and Start-Up | 3-29
f. The Optical Bench heater will turn on to heat up the Optical
Bench. You can verify this by observing that the red LED201 on
the Micro-Interface board is ON steady or pulsing.
Figure 3-12.
Micro-Interface board
(P/N 100-2231).
LED201
(Optical Bench Heater)