User manual
VIVOTEK
28 - User's Manual
Video Control Buttons: Depending on the Network Camera model and Network Camera conguration, 
some buttons may not be available.
 Snapshot: Click this button to capture and save still images. The captured images will be displayed 
in a pop-up window. Right-click the image and choose Save Picture As to save it in JPEG (*.jpg) or BMP 
(*.bmp) format.
 Digital Zoom: Click and uncheck “Disable digital zoom” to enable the zoom operation. The navigation 
screen indicates the part of the image being magnied. To control the zoom level, drag the slider bar. To 
move to a different area you want to magnify, drag the navigation screen.
 Pause: Pause the transmission of the streaming media. The button becomes the   Resume button 
after clicking the Pause button.
 Stop: Stop the transmission of the streaming media. Click the   Resume button to continue 
transmission.
 Start MP4 Recording: Click this button to record video clips in MP4 file format to your computer. 
Press the 
 Stop MP4 Recording button to end recording. When you exit the web browser, video 
recording stops accordingly. To specify the storage destination and le name, please refer to MP4 Saving 
Options on page 31 for details. 
 Volume: When the   Mute function is not activated, move the slider bar to adjust the volume on the 
local computer.
 Mute: Turn off the volume on the local computer. The button becomes the   Audio On button after 
clicking the Mute button.
 Talk: Click this button to talk to people around the Network Camera. Audio will project from 
the external speaker connected to the Network Camera. Click this button 
 again to end talking 
transmission.
  Mic Volume: When the   Mute function is not activated, move the slider bar to adjust the 
microphone volume on the local computer.
NOTE:
1. For a megapixel camera, it is recommended to use monitors of the 24" size or larger, and 
are capable of 1600x1200 or better resolutions. 
2. Below are the defaults for Audio settings:
  For cameras with built-in microphone: Not Muted.
  For cameras without built-in microphone: Muted. 
  To receive audio input from an external microphone, you may need to enable the audio input 
from Media > Audio. Refer to page 70 for more information. 










