Grandview GPCK-MA - Manual (Page 6)

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Model Size (unit:mm)
GPCK-MA1600
GPCK-MA1600L
GPCK-MA2700
GPCK-MA2700L
GPCK-MA4600L
A B C D E F G
Product Specifications
Specifications
Lower Limitation
There are 2 solutions to position the projector lift, which are upper/lower limitation and
remote localizer
1) Upper/Lower Limitation Adjustment for Sling Wires
Upper limitation and lower limitation are preset in factory, the upper limitation should be a little higher than
ceiling, lower limitation is showed as numerical value D in the specification table (the upper/lower limitation for
sling wire have to be regulated by professional people or dealers. Improper regulation will cause the risk of
dangers)
figure 13 figure 14
The following operation must be controlled by professional people
a.For upper limitation adjustment, take off the knob from the hole and use the provided allen key to adjust. A
clockwise adjustment will retract the projector lift (the distance of installation position of casing will decrease)
and a counter-clockwise adjustment will extend the projector lift (the distance of installation position of casing
will increase)
b.For lower limitation adjustment, take off the knob from the hole and use the provided allen key to adjust. A
clockwise adjustment will extend the projector lift (the distance of installation position of casing will increase)
and a counter-clockwise adjustment will retract the projector lift (the distance of installation position of casing
will decrease)
figure 15 figure 16
Upper Limitation
Projector Lift Positioning Function
704
704
704
704
744 670
770
670
770
744 600
600
685
685
800 0~1600
0~1600
0~2700
0~2700
0~4600 586
686
586
686
686 586
586
586
586
686 250
270
250
270
270