User Manual

Chapter 5: Live View
TruVision NVR 22 (S/P) User Manual 25
Icon Description
Audio On: Enable/Disable audio output. The stream type must be set to Video/Audio.
See “Camera recording settings” on page 60 for further information.
Snapshot: Capture a snapshot of a video image. The image is saved on the unit. See
“Search snapshots” on page 32 for further information.
PTZ Control: Enter PTZ control mode.
See “PTZ presets and tours” on page 26 for more information.
Digital Zoom: Enter digital zoom. See “Digital zoom” on page 25 for further information.
Image Settings: Enter the image settings menu to modify the image lighting levels.
There are two options:
Preset Mode: These are preconfigured image lighting levels. Select one of the four
options depending on current lighting conditions:
- Standard: Use in standard lighting situations.
- Indoor: Use indoors.
- Dim Light: Use when the light level is low.
- Outdoor: Use when outdoors. The contrast and saturation values are high.
Customize: Modify brightness, contrast, saturation, and hue values. Click Restore to
restore image settings to previous values.
Click Restore to restore image settings to previous values. Click Default to return to
default values.
These settings can also be modified from the Camera Setup > Image menu (see page
“Image settings” on page 63.
Auxiliary Focus: Automatically focus the camera lens for the sharpest picture.
Lens Initialization: Initialize the lens of a camera with a motorized lens, such as PTZ
or IP cameras. This function helps to maintain lens focus accuracy over prolong periods
of time.
Stream Information: Display the real-time frame rate, bit rate, resolution and video
compression.
Close Toolbar: Close the toolbar.
Digital zoom
You can easily zoom in or out of a camera image in live view mode and playback using
the digital zoom command. The zoom command magnifies the camera image four
times. See Figure 10 below.