Cooper Security M-Series Manuale delle Istruzioni Scaricare il pdf (Pagina 18)

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3. Installation

6). Make sure that the bottom left corner of the PCB is seated on its

support pillar.

Fitting a 9930 LCD Keypad

The backplate of the 9930 LCD keypad contains an adjustable cam that you

can use to make sure the tamper switch will operate correctly when the

keypad is mounted on an uneven surface. Figure 7 shows the backplate and

the position of mounting holes.

Adjustable

Cam

Figure 7. Backplate of the 9930 LCD Keypad

Scantronic recommend that you mount the keypad using No 8 or 6 screws

(M4/M3.5) as follows:

1. Select which cable entry you are going to use and break out the appro-

priate plastic sections.

2. Hold the backplate in place against the wall and mark the position of the

centre hole in the adjustable cam (see Figure 7).

3. Drill and plug the hole, and screw the backplate to the wall through the

adjustable cam. Do not tighten the screw completely home.

4. Make sure the backplate is level and mark, drill and plug at least two

other fixing holes. Screw the backplate to the wall through the fixing

holes.

5. Cut the plastic webs connecting the cam to the remainder of the base

plate.

Note: If you do not cut the webs then the tamper switch will not operate if the

complete keypad is forced off the wall.

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Cooper Security M-Series Manuale delle Istruzioni Pagina 18