Lumens Technology VC-B20DU - Manual (Page 25)

English - 24
2. Press [Fast -] on the remote control to zoom out images.
6.6.2 Fine-tune image size
1. Press [Slow +] on the remote control to zoom in images.
2. Press [Slow -] on the remote control to zoom out images.
6.7 I would like to adjust the focal length
6.7.1 Auto tune
1. Press [AF] on the remote control to adjust automatically.
6.7.2 Manual focus
1. Press [MF] on the remote control to turn on the manual focus
function.
2. Press Focus - [+] or Focus - [-] to adjust.
6.8 I would like to adjust the AF speed
6.8.1 Adjust the AF Sensitivity
Triggering speed of focus. The higher the speed is, the faster focus is
triggered.
To shoot fast-moving objects, AF Sensitivity can be set to [High] or
[Medium], which is applicable to quick focus.
When the environment is too dark to enable auto focus or fixed objects
have to be shot in different brightness, AF Sensitivity can be set to
[Low].
1. Press [MENU] to activate the setting menu.
2. Press [] or [] to select [Auto Focus].
3. Press [ENTER] to activate.
4. Press [] or [] to select [AF sensitivity].
5. Press [ENTER] to activate.
6. Press [] or [] to select [High / middle / Low].
7. Press [MENU] to exit.
6.8.2 Adjust the AF speed