NVR series support USB joystick? How to operate the joystick?

ND8322P/ND8422P/ ND9441/ND9541 supports IPD USB joystick to control PTZ in local console.
But you have to upgrade NVR firmware to specific version to support this feature.
ND8322P/ND8422P needs to upgrade to v2.0.0.4 or above.
ND9441/ND9541 needs to upgrade to v2.0.0.5 or above.

X-axis of joystick is for Pan.
Y-axis of joystick is for Tilt.
Z-axis of joystick is for Zoom with continuously move.
Button 1 is back to home.
Button 2 is for zoom in with "click to move".
Button 3 is for zoom out with "click to move".
Button 5 is for auto pan.
Button 6 is for stop auto pan and patrol.
Button 7 is for running first patrol.