Olympus EVIS EXERA TJF-160VR Instructions Manual page 54

Chapter 4 Operation
50
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 feed water onto the objective lens (see Figure
4.3).
Figure 4.3
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Suction valve
Air/water valve