Playback & VR

How to play back recorded video from IPC TF Card and HDD devices, and how to use VR fisheye / panoramic view modes in the BitVision app.

Playback

BitVision app can play back video recorded on an IPC TF Card or HDD in N/X/H/DVR and other backend equipment.

Tap Playback on the main interface to enter the playback interface.

Playback interface — 4-screen empty state

Tap a play window to open the Device manage interface.

Device manage — select channels for playback

Select the channel(s) you want to play back, then tap Done.

The playback interface plays the video of the selected channels.

Playback interface showing 4-channel video with timeline

The default view is 4-screen playback. Double-tap any channel window to switch to single-channel playback.

During playback, slide the interface left and right to switch the playback channel.

When the phone is rotated to landscape orientation, the historical video plays in full screen.

Full-screen landscape playback — single channel

Full-screen landscape playback — 4-screen

To change the recording date, tap the Calendar icon on the playback interface. You can also drag the timeline bar to jump to a different time within the current channel's recording date.

Button	Description
Sliding menu bar	Tap to open the sliding menu bar.
Device manage	Tap to enter the Device manage interface.
Add device	Tap to enter the Device manage interface.
Screenshot	Take a snapshot of the current frame.
1-window / 4-window	Switch between single-channel and 4-channel layout.
Close / Reconnect (current)	Close or reconnect the currently selected channel.
Close / Reconnect (all)	Close or reconnect all channels at once.
Sound on/off	Toggle audio output.
Gallery thumbnail	Temporarily stores the current video and screenshots. Tap to open the Gallery to quickly review saved media. Slide or swipe down on an item to delete it directly.
Timeline bar	Displays the recorded footage found by the current search condition; the bar starts at 0:00. In 4-window mode, four separate time bars are shown — select a window to highlight its corresponding bar. Press and hold the timeline to drag left or right and jump to a specific time. Pinch two fingers on the timeline to zoom in or out.
Calendar	Select the playback date. After choosing a date in any play mode, the timeline bar shows the recording trace for that date.

VR

VR mode is used to preview real-time video from a fisheye device. Only one device can be previewed at a time.

Tap VR on the main interface to enter the VR interface.

Tap a play window to open the Device manage interface.

Select the fisheye device you want to preview, then tap Done.

According to the installation mode of the VR equipment, choose Top or Wall-mounted preview.

Top-mounted: several view modes are available — Preview, Top-View VR, Fisheye, Single Expansion, Four-Screen, Dual-Screen Expansion, and Cylinder.
Wall-mounted: switch between Fish Eye Wall-hanging mode and Corrective mode.

VR — Wall-mounted: fish eye wall-hanging mode

Button	Description
Sliding menu	Click to enter the sliding menu bar.
Device manage	Click to enter the Device manage interface.
Add device	Click to enter the Device manage interface to add a fisheye device.
Start / Pause video	Start or pause the live video stream.
Screenshot	Take a snapshot of the current frame.
Intercom	Press and hold to let the device hear the phone's microphone; release to hear the device's audio. Enables two-way intercom between the app and the device.
Close / Reconnect	Close or reconnect the current channel.
Sound on / off	Toggle audio output.
Gallery thumbnail	Temporarily stores the current video and screenshots. Tap to open the Gallery. Swipe down on an item to delete it directly.
Top Mode	Switch to ceiling-mounted top view.
Top VR Mode	Switch to top-view VR panoramic mode.
Fisheye Mode	Switch to raw fisheye circular view.
Single Expansion Mode	Switch to single panoramic expansion.
Four-Screen Mode	Switch to four-panel expansion.
Dual-Screen Expansion Mode	Switch to dual-panel horizontal expansion.
Cylinder Mode	Switch to cylindrical panoramic view.
Wall-mounted Mode	Switch to wall-mounted fisheye perspective.

For live camera preview and menu navigation, see Menu & Live View.

Playback

BitVision app can play back video recorded on an IPC TF Card or HDD in N/X/H/DVR and other backend equipment.

Tap Playback on the main interface to enter the playback interface.

Tap a play window to open the Device manage interface.

Select the channel(s) you want to play back, then tap Done.

The playback interface plays the video of the selected channels.

The default view is 4-screen playback. Double-tap any channel window to switch to single-channel playback.

During playback, slide the interface left and right to switch the playback channel.

When the phone is rotated to landscape orientation, the historical video plays in full screen.

To change the recording date, tap the Calendar icon on the playback interface. You can also drag the timeline bar to jump to a different time within the current channel's recording date.

Button	Description
Sliding menu bar	Tap to open the sliding menu bar.
Device manage	Tap to enter the Device manage interface.
Add device	Tap to enter the Device manage interface.
Screenshot	Take a snapshot of the current frame.
1-window / 4-window	Switch between single-channel and 4-channel layout.
Close / Reconnect (current)	Close or reconnect the currently selected channel.
Close / Reconnect (all)	Close or reconnect all channels at once.
Sound on/off	Toggle audio output.
Gallery thumbnail	Temporarily stores the current video and screenshots. Tap to open the Gallery to quickly review saved media. Slide or swipe down on an item to delete it directly.
Timeline bar	Displays the recorded footage found by the current search condition; the bar starts at 0:00. In 4-window mode, four separate time bars are shown — select a window to highlight its corresponding bar. Press and hold the timeline to drag left or right and jump to a specific time. Pinch two fingers on the timeline to zoom in or out.
Calendar	Select the playback date. After choosing a date in any play mode, the timeline bar shows the recording trace for that date.

VR

VR mode is used to preview real-time video from a fisheye device. Only one device can be previewed at a time.

Tap VR on the main interface to enter the VR interface.

Tap a play window to open the Device manage interface.

Select the fisheye device you want to preview, then tap Done.

According to the installation mode of the VR equipment, choose Top or Wall-mounted preview.

Top-mounted: several view modes are available — Preview, Top-View VR, Fisheye, Single Expansion, Four-Screen, Dual-Screen Expansion, and Cylinder.
Wall-mounted: switch between Fish Eye Wall-hanging mode and Corrective mode.

Button	Description
Sliding menu	Click to enter the sliding menu bar.
Device manage	Click to enter the Device manage interface.
Add device	Click to enter the Device manage interface to add a fisheye device.
Start / Pause video	Start or pause the live video stream.
Screenshot	Take a snapshot of the current frame.
Intercom	Press and hold to let the device hear the phone's microphone; release to hear the device's audio. Enables two-way intercom between the app and the device.
Close / Reconnect	Close or reconnect the current channel.
Sound on / off	Toggle audio output.
Gallery thumbnail	Temporarily stores the current video and screenshots. Tap to open the Gallery. Swipe down on an item to delete it directly.
Top Mode	Switch to ceiling-mounted top view.
Top VR Mode	Switch to top-view VR panoramic mode.
Fisheye Mode	Switch to raw fisheye circular view.
Single Expansion Mode	Switch to single panoramic expansion.
Four-Screen Mode	Switch to four-panel expansion.
Dual-Screen Expansion Mode	Switch to dual-panel horizontal expansion.
Cylinder Mode	Switch to cylindrical panoramic view.
Wall-mounted Mode	Switch to wall-mounted fisheye perspective.

For live camera preview and menu navigation, see Menu & Live View.

Playback

VR

Table of Contents

Playback & VR

Playback

VR

Table of Contents