Olympus EVIS EXERA II - Page 70

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Chapter 4 Operation
ULTRASOUND GASTROVIDEOSCOPE GF-UCT180
 Air/water feeding
1. Cover the air/water valve’s hole to feed air from the air/water nozzle at the
distal end (see Figure 4.3).
2. Depress the air/water valve to the first stage to feed water onto the objective
lens (see Figure 4.3).
Figure 4.3
Suction valve
Air/water valve