Revo REJCPTZ-2 User Manual

Page 5

3. Element Connection and Termination Resistors:

The RS485 standard requires a daisy-chain connection between the

connected elements.

For reliable operation, there must be 120 Ohm termination resistors present at

both ends of the RS485 bus. (Refer to the following illustration.)

The last PTZ camera on the bus (the camera furthest from the controlling

device) should have its termination resistor enabled. On most cameras, the
termination resistor is enabled or disabled using a configuration switch on the
PTZ camera.

Only two termination resistors are allowed to be present on any RS485 bus.

The PTZ keyboard does not have a termination resistor.

4. Problems with RS485 Wiring:

RS485 elements should be daisy-chained together. The RS485 bus should connect the

keyboard to camera 1, camera 1 to camera 2, camera 2 to camera 3, etc.

Quick Reference for PTZ Camera Control Commands

All directions (up/down, right/left), twist, and pushbutton functions are present

on the joystick

Pressing the【CTRL】key acts as a turbo mode, momentarily speeding up the

camera’s pan and tilt functions

P/T right or left, up or down:【Joystick】move to right or left, up or down

Lens zoom:【Joystick】counterclockwise or clockwise rotation

Lens Focus:【SHIFT】+【Joystick】move to left or right

Lens Iris:【SHIFT】+【Joystick】move to up or down

Set preset:【#】+【SHIFT】+【PRESET】

Call preset:【#】+【PRESET】

Clear preset:【#】+【SHIFT】+【CANCEL】, CANCEL/OK is displayed

Run Auto Scan:【#】+【AUTO】

Run Tour: 【#】+【TOUR】

Run Pattern:【#】+【SHIFT】+【MENU】

On Command:【#】+【ON】

Off command:【#】+【SHIFT】+【AUTO】

NO. + PGM+ Tour:【#】+【SHIFT】+【TOUR】

NO. + PGM+ Scan:【#】+【ESC】

Press【PRESET】to enter Preset menu

Press【TOUR】to enter Tour menu

Press【MENU】to enter Dome menu

Press【SHIFT】+【MENU】to enter Pattern menu

Press【AUTO】to enter Auto scan menu

Press【SHIFT】+【ESC】to enter Alarm menu

Home key:【SHIFT】+【TOUR】