PTZ DRIVER RELEASE NOTES
                 ========================

Release date: 2020-10-02

Release type: Production

Driver version: 4.11

Filename: Visca_EVI-4.11-armv7-3_62-5_1.ptz
	
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Release 4.10:
=============
4.10:1 Added new device type to support the model WISKA DCP-27. This
       is a fixed speed pan-tilt head. See "Known problems and
       limitations" for support of camera commands like zoom, focus
       and iris.

Release 4.09:
=============
4.09:1 Improved the driver when using daisy chain or remote ptz.

Known problems and limitations
==============================
L01 To use this version of the driver, firmware 5.50 or higher
    is required.

L02 To use this driver, a full duplex serial interface is required
    (a 4-wire RS422 or a 4-wire RS485 or a RS232 serial interface).

L03 An externel serial converter may be required for different
    combinations of video-encoder and ptz-units.

L04 Precision for click-in-picture steering at mid-range zoom is poor.

L05 Precision is poor for iris tuning from the web interface.

L06 The WISKA DCP-27 pan-tilt head only support pan and tilt movements.
    Support for camera commands like zoom, focus and iris is camera
    dependent.

L06 The WISKA DCP-27 pan-tilt head have no support for the center
    command(click in picture). Support for the center command
    (click in picture) is camera dependent.