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Chief Manufacturing, a division of Milestone AV Technologies 

8401 Eagle Creek Parkway, Savage, MN  55378 

P: 800.582.6480 / 952.894.6280  F: 877.894.6918 / 952.894.6918 

 

 

 
 

8803-000065 Rev C 

©2008 Milestone AV Technologies 

05/08

I N S T A L L A T I O N       I N S T R U C T I O N S

 

Projector 
Lock 

(PL-1) 

The PL-1 projector lock, constructed with heavy gauge 
steel, is designed to prevent access to projector mounts. 
The projector lock protects against disconnecting 
projectors from their mounts in most high-risk 
environments, minimizing the probabilities theft. 

The design of the PL-1 ensures proper ventilation for 
your projector while providing excellent security and 
protection. 

 
 

 

PL-1 

 

 

BEFORE YOU BEGIN  

 

 

CAUTION:  To prevent damage to your display, which could affect or void the Factory warranty, 
thoroughly study all instructions and illustrations before you begin to install the mount brackets. Pay 
particular attention to the “Important Warnings and Cautions” on Page 2. 

 

If you have any questions about this installation, contact Chief Manufacturing. 

 
 

Chief® is a registered trademark of Milestone AV Technologies. All rights reserved.

Summary of Contents for PL-1

Page 1: ...rs from their mounts in most high risk environments minimizing the probabilities theft The design of the PL 1 ensures proper ventilation for your projector while providing excellent security and protection PL 1 BEFORE YOU BEGIN CAUTION To prevent damage to your display which could affect or void the Factory warranty thoroughly study all instructions and illustrations before you begin to install th...

Page 2: ... you do not follow the corresponding instructions WARNING Improper installation can result in serious personal injury Make sure that the mounting surface can support a redundant weight factor five times the total weight of the equipment If not reinforce the mounting surface structural members before installing the mount WARNING Make sure the mount is correctly oriented CAUTION Check the unit for s...

Page 3: ...1 Projector Lock 1 20 Screws 4 30 Spacers 4 PL1A Key C346A 2 PL1B Key C346B 2 PL1C Key C346C 2 The PL 1 is shipped with two matching keys PL1A or PL1B or PL1C To ensure security the PL 1 is shipped with one of three different keys INSPECT INSTALLATION LOCATION Because of the wide variety of possible mounting situations Chief Manufacturing only provides general guidelines for the typical pole mount...

Page 4: ...SLB 2 Loosen the thumbnuts and disconnect your projector from the RPA 3 Install the RPA mount on the 1 1 2 NPT pipe as described in the instructions for your RPA mount 4 Unlock and open the PL 1 5 Align set screw of RPA with key lock of cage see Figure 1 6 Tilt the lock side of the PL 1 down and route the RPA thru the hole in the PL 1 see Figure 2 7 Set PL 1 on RPA see Figure 3 Figure 1 Align Set ...

Page 5: ...Installation Instructions PL 1 5 INSTALLATION CONT D 8 Install the projector see Figure 4 9 Tightening the center thumb screw first make sure all thumb screws are tight ...

Page 6: ...rt key 13 To operate the lock do the following a To lock the PL 1 turn the key supplied 90 clockwise b To unlock the PL 1 turn the key supplied 90 counterclockwise 14 Remove key Figure 4 Install Projector Figure 5 Route Cables Figure 6 Lock Unit Cable Route Access Side Cable Route Access Side Cable Route Access Lock CW 90 Unlock CCW ...

Page 7: ...Installation Instructions PL 1 7 ...

Page 8: ...Installation Instructions PL 1 8 ...

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