Readme for nk20201120T2

Aplies to models:

BC980
BL980
FD980

Version information:

userland         nk20201120T2
Pan mcu          P02R-C0D1
Tilt mcu         T02R-C0D1
Zoom mcu         T2-L109-I0-181113-01


Changes:

nk20201120T2 (based on nk20200526T2)
1. FIX: in 8M resolution, Text overlay sizes not working right
2. FIX: GenetecUnitCertificationTool test failed on previous firmware version, fixed now

nk20200526T2 (based on nk20200507T2)
1. Set LDC default value to 1270

nk20200507T2 (based on nk20200120T2)
1. ADD: Lens Distortion Correction limit notice
	1. Resolution: 
		(a) Does not support 2048x1536 if more than two streams are activated.
		(b) If one stream is set to 2688x1512, another could support up to 720x480.
	2. Rotation:
		Does not support 90 and 270 degrees rotation.
2. Support disable zoom control function
	http://<IP>/cgi-bin/admin/param.cgi?action=update&Variable.ZoomFocus.Enabled=yes (Enable zoom)
	http://<IP>/cgi-bin/admin/param.cgi?action=update&Variable.ZoomFocus.Enabled=focus (Disable zoom)

nk20200120T2 (based on nk20191213T2)
1. ADD: Lens Distortion Correction 
	- Default resolution is 3840x2160 + 1920x1080 (PAL), or 3840x2160 + 352x240 (NSTC)
	- When using three (or four) streams, 3840x2160 will not be available.
	- Does not support 90 and 270 degrees rotation.
2. CHG: I-frame quality improvement 

nk20191213T2 (based on nk20191112T2)
1. CHG: Bitrate supports up to 20480kbps

nk20191112T2 (based on nk20191022T2)
1. Bug fix: To trigger alarm input 1 after event is received by Genetec VMS

nk20191022T2 (based on nk20190530T2)
1. PIM-SSM
2. ONVIF VCA ROI zone
3. Add DHCP Option 12
4. VCA update
   - Fix the occupied shared memory of zoomand focus change. When the shared memory is occupied, second event would not be triggered.
   - Learn the background change during zoom in/out
   - Improve Abandoned Object algorithm
   - Wrong Direction: bug fix for second event trigger in same ROI
   - Camera Sabotage: improve the used CPU rate
   - Camera Sabotage: to trigger when camera is defocus
   - Camera Sabotage: fix the repeated trigger bug
   - Loitering Detection: improve accuracy

nk20190530T2 (based on nk20190529T2)
1. Bug fix of occurring black screen when switching between resolutions. 

nk20190529T2 (based on nk20190527T2)
1. Remove smart and smart touch functions under white balance.

nk20190527T2 (based on nk20190422T2)
1. Add VCA Function
2. Add smart and smart touch under White Balance
3. Add External Mic under Audio input type

nk20190422T2
- Add FD980 support
- Changed default network settings 10.x.y.z, subnet mask 255.0.0.0, no default gateway
- Default login Admin / 1234; change password at first web page login
- TKH Favicon
- Parameter remain after FW upgrade
- Added support for compatible Siqura API specifications
- MTU range = [1052,1500], with webpage user interface
- Set network speed connection (10HD, 10FD, 100HD, 100FD or 1000FD); default value is Auto-negotiation
- API for setting privacy mask colors (/cgi-bin/admin/param.cgi?action=update&Image.I0.Overlay.MaskWindows.Color=#RRGGBB) RGB value = [00 ~ FF]

nk20190128T2
(initial revision)