Chapter 4 Inspection
57
VISERA VIDEO SYSTEM CENTER OTV-S7V
2. View your palm through the endoscope. Use a cloth, etc. to prevent the
endoscope’s distal end and your palm from being exposed to extraneous
light.
3. Keep the distal end of the endoscope 1 to 3 cm from your palm. Confirm that
the brightness of the image on the video monitor is consistent.
4. Hold the distal end of the endoscope 3 cm from your palm. Use a piece of
gauze, etc. to prevent the endoscope’s distal end and your palm from being
exposed to extraneous light. View the image on the video monitor.
5. Confirm that the image on the video monitor brightens when the exposure
level switch (up) is pressed, and darkens when the exposure level switch
(down) is pressed.
• The following videoscopes do not have a shutter function.
The brightness control is available from the light source:
ENF-V
CYF-V/VA
HYF-V
• Depending upon the distance between the distal end of the
endoscope and the object, halation will result. In this case,
operate the light source and set the light intensity manually.
4.5 Recording system inspection
Refer to the instruction manual of the recording system being used. Confirm that
the images from the OTV-S7V are recorded properly.
Refer to Sections 5.20, 5.21, 5.22, 5.23 and/or 5.24 for more
recording instructions.
4.6 Inspection of mirror and rotated images display
(type C only; see Section 2.5)
Refer to Section 5.25, “Mirror and rotated images”. Confirm that normal, mirror or
rotated images are displayed properly on the video monitor.
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