Qihan RS485 Operation & User’s Manual

5, Qihan RS485 2 Relative humidity：Less than 90%  Physical property L * W*H =218* 180 * 55（mm） Weight：630g（Net Weight） …

16, 13 4. The Keyboard Menu Controlling * The keyboard me nu con trolling Press【SET】,keep 2 seconds；Got the main menu, the LCD display is following. (See the picture 4.1-1) all menu setup should call main menu. Press numerical key or move the joystick up and down to the option which …

10, 7 1.A line of RS485 may control up to 32 main controlling and under controlling equipments, so a keyboard which controls the dome directly may connect up to 31 domes. 2. The system may connect up to 4 keyboards at the same time, and the four keyboards ID are different …

28, 25 maximum theoretical transmitting distances are as follows according to different baud rate: If user selects thinner cables, or installs the dome in an environment with strong electromagnetic interference, or connects lots of equipment to the RS 485 Bus, the maximum transmitti…

19, 16 success it means the operation is success. Then Press【Prev】or move the joys tick left war do to go back. Must be used 9600 BPS when connecting with the matrix; and must b e used 9600 B PS or 1 9 200 bps when connecting the keyboard online. 4.1.3 Joystick Cal…