Grandview GPCK-MB - Manual (Page 8)

7 10
OxC9
OxE9 Figure 6
4. Figure 6 - Install the projector lift and fasten/secure. The low frame of the projector must align to the ceiling.
5. Figure 7 - Check the balance of the projector lift. Install the two fixed pieces as shown in the figure below.
Figure 7
Nut
Central Control Instruction
Emitter Function
Crystal Socket
Common Line
Switch for Extending
Switch for Retracting
Stop
RS232 Input B
RS232 Input A
Central Control Format Agreement
1) Communications Agreement Setting：
data bits: 8 bits、start bits：1 bit、stop bit: 1bit、baud ratio: 2400
2) Directive for retracting：
3) Directive for stopping：
4) Directive for extending：
232 setting: 2400, n, 8, 1 a continuous data sends two times，each time interval of 200ms.
Fixed Piece
Multi-Function
Control Diagram
Stop
Down
Up
Common
Projector Lift Up
Projector Lift Down
Projector Lift Stop