Grandstream GXV3140 User Manual - Manual (Page 47)

FIRMWARE VERSION 1.0.7.80 GXV3140 USER MANUAL Page 47 of 151
Maintenance/Device Manager (Camera)
Zoom mode Select the desired camera zoom mode (Tele, optical, digital). Can adjust
local video zoom either in mirror mode or during the call (on the fly) by
pressing the Left or Right Arrow Key.
Exposure Setting Select the desired Camera Exposure mode based on the surroundings.
The default setting is set to Auto.
Color Mode Select the desired Camera Color Mode (Color or Monochromatic). The
default setting is set to Color.
White Balance Select the desired Camera White Balance to be automatic or Fixed. The
default setting is set to Auto.
Lens Correction
Correct Camera Lens noise. The default setting is set to YES.
It is recommended to set this parameter to YES to reduce camera lens
noise and improve video quality.
Flicker Control Reduces flicker of image shot with a video camera caused by luminance
fluctuation of an illuminating light source. Users can select 50Hz/60Hz
depending on the frequency of the commercial electrical power.
The default setting is set to Auto.
Maintenance/Device Manager (TV Port)
TV Output Select the desired TV Output type (PAL or NTSC).
Maintenance/OpenVPN Settings
Enable OpenVPN This enables/disables OpenVPN functionality. The default setting is No. To
use OpenVPN functionality, it requires user to have access to an OpenVPN
server.
OpenVPN Server address The URL/IP address for the OpenVPN server.
OpenVPN server port The network port for the OpenVPN server. By default, it is set to 1194.
OpenVPN CA OpenVPN CA file (ca.crt) required by the OpenVPN server for
authentication purposes. Press “Upload” to upload the corresponding file
to the phone.
OpenVPN Client Certificate OpenVPN Client certificate file (*.crt) required by the OpenVPN server for
authentication purposes. Press “Upload” to upload the corresponding file
to the phone.
OpenVPN Client Key The OpenVPN Client key (*.key) required by the OpenVPN server for
authentication purposes. Press “Upload” to upload the corresponding file