Acumen AiP-T53N - Manual (Page 13)

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Please use computer mouse pointing to the sub-window of PIP view. Dragging
the sub-window can perform ePan and eTilt. Using mouse scroll button can
perform zoom in and out features.
Performing right-mouse click on the video can disable ePTZ feature.
Chapter 3-2-2 Region of Interest (ROI)
For D1 and below resolution, ROI feature can apply to the main video stream.
Main video stream remains the biggest video resolution such as 1080P. The
sub-stream can be cropped and scaled based on the main video stream for saving
bandwidth and storage.
Chapter 3-2-3 Control Panel
Control panel buttons are described as below:
Snapshot: Take a snapshot of the video.
Audio on: Set audio on (for audio model only).
Speak on: Speak to remote site (for audio model only).
Recording at PC
Activate alarm output (for alarm model only).
Auto Pan for presets at ePTZ or ROI mode
Home position for ePTZ or ROI mode
Presets Presets recall for ePTZ or ROI
Perform left, right, up, and down operations.
Main Video Stream: 1920 * 1080
Sub-stream:720 * 480