Three Dimensional Joystick Control of PTZ Functions. Keyboard Keypanel Electromechanical. Joystick 3-axis, vector-solving, with twisting, return to-center head. Keyboard Connector RJ-45,RS232,RS485,RS422. Keyboard Communication Direct Mode. Direct Mode Interface: RS232/RS485. DVR Protocol: DH2. Dome Protocol: DH-SD/PELCO-D/PELCO-P/PELCO-D1/PELCO-P1…… Display LCD, 75.2mm x 33.85mm.