Pentax EG-2990i Instructions For Use Manual page 27

[1] Remove the entire suction channel selector mechanism from the endoscope.
[2] Scrub all internal and external surfaces of the suction channel selector using
the smaller side of the cleaning brush (CS-C9S).
Figure 2.15
[3] Using the large bristle of the specially designed cleaning brush, CS-C9S,
insert the brush into the opening of the suction channel selector cylinder.
Thoroughly clean the surface areas.
[4] Next, thoroughly clean the suction channel selector and rinse well
7) Inspection of Remote Buttons and Magnification Control
a) Remote Buttons
Check to ensure that the function that you assigned to each remote button works
properly.
NOTE:
The function can be assigned to remote buttons #1, #2, #3, or #4.
For more details, refer to the instructions for use supplied with the video
processor.
b) Magnification Control
NOTE:
PENTAX Video Processor, model EPK-i5020 is not compatible.
(3)
(4)
Figure 2.16
(1)
(2)
(1) (2)
(5)
– 22 –
(1) Suction Channel
Selector
(2) CS-C9S
(1) Endoscopes with the
Magnification Control
Lever
(2) Endoscopes without the
Magnification Control
Lever
(3) Magnification Control
Lever
(4) Standard Image
(5) Magnified Image