Bolin Technology D Series, User Manual

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2. GPI I/O Output mode -Tally signal is sent by Keyboard Controller
a. Connect camera with keyboard by standard RS-422 control cable.
b. Access to KEYBOARD SETTING > GPI I/O > Setting, and change it to Output mode, then Exit to
home directly.
c. Once the above is done, we can switch to different camera by keyboard. For example, if we
switch to camera 1 on keyboard, it will send tally signal to camera 1 via standard RS-422 control
cable, so camera 1 tally light will turn on. The keyboard can control camera 1
’s pan and zoom at
this time.
d. If switch to camera 2 on keyboard, then camera 2 tally light will on and camera 1 tally light will go
off.
GPI connection with VISCA OVER IP control connection