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Figure 4.2.1-3 AIR LED (Yellow) Lighting
3c. EVAC LED lights blue: Evacuation of the specimen chamber has been completed.
(Ready for observation).
3d. EVAC LED blinks blue: Air is in the process of being evacuated from the specimen
chamber.
Figure 4.2.1-4 EVAC LED (Blue) Lighting
4. Check the lighting pattern of the EVAC LED (blue). If it is blinking, wait until it starts
lighting. Depending on the EVAC/AIR switch operation, AIR LED might light or blink
yellow. In this case, push the EVAC/AIR switch to evacuate the specimen chamber. After
completing evacuation, the lighting pattern of EVAC LED will change from blinking to
lighting.
AIR LED (yellow)
EVAC LED (blue)