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C3A, C6A, C6A HDVideoColposcope User Manual
Introduction
Operation: Press this key, the camera is switched on, and the indicator on its left lights up in
green. Press it again, the camera is switched off, and the indicator on its left goes off.
(2) "AF/MF" key
Function:Switch between auto focus (AF) mode and manual focus (MF) mode.
Operation:In AF mode, press this key to enter MF mode (the right indicator is on and "MF" is
displayed on the screen). In MF mode, press this key to enter AF mode (the left indicator is
on).The system enters AF mode by default.
(3) "F+" key
Function: Adjust the camera focus.
Operation:In MF mode, press this key to pull away the focus.(This key is invalid in AF mode.)
(4) "DISPLAY/F-" key
Function:Enable or disable display of magnification information, or adjust the camera focus.
Operation:In AF mode, press this key to enable display of magnification information, and the
screen shows the magnification. Press it again, magnification display would be disabled, and the
screen no longer shows the magnification. By default, the magnification is not shown.
In MF mode, press this key to pull close the focus.
(5) "FREEZE"key
Function: Freeze or unfreeze the current image.
Operation: Press this key to freeze the current image, and "--" is shown on the screen. Press it
again to unfreeze the image.
(6) "TIME" key
Function: Activate or deactivate timer.
Operation: Press this key to activate timer.The screen shows a time mark as T0:00, which will
automatically disappear after it counts to T2:59. Before the time mark reaches T2:59, you can
press this key again to deactivate the timer and close the time mark. By default, the timer
isnotactivated.
(7) "WHITE" key
Function: Enable normal white light.
Operation:The system provides three white light modes. It's natural light by default. Press this
key, the image is noted W1 on the top, and the light facilitates visualization of acetowhite
epithelium. Press the key again, the image is noted W2 on the top, and the light facilitates
visualization of acetowhiteepithelium or grapy tissue on columnar epithelium. Press the key again,
it returns to natural light imaging.
(8) "GREEN" key
Function: Activate green filter.
Operation: Press this key, the system activates green filter to remove red light, in order to
highlight the vessel status.
The system has 3 levels of green filters: G1, G2 and G3. Press this key to cycle through the levels.
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