Improvement of the microphone pickup range for certain PCs

Problem Fixed

• Fix Microphone Pickup Issue in certain PC

Important Notice

VC520 Pro2

1. PTZApp2 should be upgraded to v. 2.0.1038.39 (MAC); v. 2.0.1055.56 (Windows) to get full functions.
2. The smart frame detection distance is up to 7~10 meters. If more than 10 meters, the accuracy may drop.
3. H.264 IP video streaming supports Windows 7 &10. (not supports Windows 8.1)
4. During system upgrade, please DON’T turn off the power for any reasons.

Expansion speakerphone

1. Requirements VC520 Pro2 Firmware version: v7200.64 or later
2. The expansion speakerphone cannot be the main speakerphone; it can only be used with the VC520 Pro2.
3. The VC520 Pro2 can support up to two expansion speakerphones, however, the daisy-chain expansion cable
   cannot exceed over 40m in total.
4. Please connect the power supply for the expansion speakerphone when daisy-chaining over 20m.
5. Please connect the power supply when upgrading the firmware for the expansion speakerphone.
6. The speakerphone cables and power adapter will be included in the package contents.