User Manual

Chapter 7: Playback functionality
44 TruVision NVR 22 (S/P) User Manual
To skip forwards or backwards during playback:
From the front panel:
Press the up and down buttons to jump recorded video forwards and backwards by a
set skip time.
From the playback window using the mouse:
Click and to jump recorded video forwards and backwards by a set skip time.
— Or —
Click a location on the timeline for where you want playback to start.
Play back frame-by-frame
You can play back a selected video at different speeds. This allows you to carefully
examine an event frame-by-frame as it happens.
The current frame rate is shown on the right of the playback control toolbar.
To play back frame-by-frame:
• Using a mouse:
1. In playback mode click the Speed Down button in the playback control toolbar
until the speed changes to single frame.
2. Click the Pause button to advance the video frame by frame.
• Using the front panel:
1. In playback mode move the left direction button to left to scroll down through the
speed changes until single frame.
2. Press Enter to advance the video frame by frame.
Digital zoom in playback
To digitally zoom-in during playback:
1. In playback mode, click the Digital Zoom button in the playback control toolbar.
The playback control toolbar disappears. The digital zoom window appears.
2. Left-click the mouse and drag the red square in the digital zoom window to the area
of interest, or move the joystick on the front panel to position the red square. The
selected area is magnified.