PSMA800 - Wall mount for screen Chief - Free user manual and instructions
Find the device manual for free PSMA800 Chief in PDF.
| Product Type | Wall Mount Shelf for Screen |
| Model | PSMA800 |
| Brand | Chief |
| Compatible Mounts | Chief PSMH mounts (not included) |
| Weight Capacity | 10 lbs (4.54 kg) |
| Shelf Position | Above or below screen |
| Camera Compatibility | Video cameras (not monitors or TVs) |
| Material | Steel (estimated) |
| Color | Black (estimated) |
| Dimensions (Approximate) | Varies with installation; shelf depth ~6-8 inches (estimated) |
| Included Hardware | Flange hex nuts, bolt plates, button head cap screws, cable clips, cable ties |
| Cable Management | Yes, with clips and ties |
| Installation Method | Attaches to PSMH mount using provided hardware |
| Safety Warning | Must support 5x equipment weight; max 10 lbs total |
| Intended Use | Indoor only; not for outdoor use |
| Additional Options | Compatible with Vaddio conference shot speakers (not included) |
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USER MANUAL PSMA800 Chief
INSTALLATION INSTRUCTIONS

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Technical line drawing of a mechanical frame assembly (no text or symbols)(above PSMH installation)

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Technical line drawing of a metal frame structure with mounting brackets and mounting holes (no text or symbols)(below PSMH installation)
PSMH Camera shelf
DISCLAIMER
Milestone AV Technologies and its affiliated corporations and subsidiaries (collectively "Milestone"), intend to make this manual accurate and complete. However, Milestone makes no claim that the information contained herein covers all details, conditions or variations, nor does it provide for every possible contingency in connection with the installation or use of this product. The information contained in this document is subject to change without notice or obligation of any kind. Milestone makes no representation of warranty, expressed or implied, regarding the information contained herein. Milestone assumes no responsibility for accuracy, completeness or sufficiency of the information contained in this document.
Chief® and Vaddio® are registered trademarks of Milestone AV Technologies. All rights reserved.
DEFINITIONS
MOUNTING SYSTEM: A MOUNTING SYSTEM is the primary Chief product to which an accessory and/or component is attached.
ACCESSORY: AN ACCESSORY is the secondary Chief product which is attached to a primary Chief product, and may have a component attached or setting on it.
COMPONENT: A COMPONENT is an audiovisual item designed to be attached or resting on an accessory or mounting system such as a video camera, CPU, screen, display, projector, etc.

WARNING: A WARNING alerts you to the possibility of serious injury or death if you do not follow the instructions.

CAUTION: A CAUTION alerts you to the possibility of damage or destruction of equipment if you do not follow the corresponding instructions.

IMPORTANT SAFETY INSTRUCTIONS

WARNING: Failure to read, thoroughly understand, and follow all instructions can result in serious personal injury, damage to equipment, or voiding of factory warranty! It is the installer's responsibility to make sure all accessories are properly assembled and installed using the instructions provided.

WARNING: Failure to provide adequate structural strength for this accessory can result in serious personal injury or damage to equipment! It is the installer's responsibility to make sure the structure to which this accessory is attached can support five times the combined weight of all equipment. Reinforce the structure as required before installing the accessory.

WARNING: Exceeding the weight capacity can result in serious personal injury or damage to equipment! It is the installer's responsibility to make sure the combined weight of all components attached to the accessory does not exceed 10 lbs (4.54 kg).

WARNING: Use this accessory only for its intended use as described in these instructions. Do not use attachments not recommended by the manufacturer.

WARNING: Never operate this accessory if it is damaged. Return the accessory to a service center for examination and repair.

WARNING: Do not use this accessory outdoors.

WARNING: RISK OF INJURY TO PERSONS! Do not place video equipment such as televisions or computer monitors on PSMA800 shelf.
--SAVE THESE INSTRUCTIONS--
DIMENSIONS
Above Shelf (Minimum shown)

PSMA800 SHELF ASSEMBLY
SHOWN IN ABOVE SCREEN POSITION
ON PSMH. PSMH NOT INCLUDED
Below Shelf (Maximum shown)
![25.27 [641.9] CABLE ACCESS 1.10 [27.9] 1.50 [38.1] 21.00" [533] MIN. 32.00" [819] MAX. (SHOWN) FROM CTR OF SCREEN TO SHELF (44.56) [1131.8] (46.06) [1169.9]](/content/2026/06/1203922/images/1b54a284ab7a971dd1de2e88bd5fb4384d9ce4d5eced1240df7d78751b41b6a3.jpg)
![9.74 [247.4] 9.10 [231.3] 1.00 [25.4] 3.78 [96.0] CABLE ACCESS 0.60 [15.2] (36.38) [923.9]](/content/2026/06/1203922/images/ccb1ed107668f29bb96e6b3c89b2e371e627f497bcfc06c69114ad076779e60a.jpg)
PSMA800 SHELF ASSEMBLY SHOWN IN BELOW SCREEN POSITION ON PSMH. PSMH NOT INCLUDED
LEGEND

Tighten Fastener
| Apretar elemento de fijación |
| Befestigungsteil festziehen |
| Apertar fixador |
| Serrare il fissaggio |
| Bevestiging vastdraaien |
| Serrez les fixations |

Open-Ended Wrench
| Llave de boca |
| Gabelschlüssel |
| Chave de bocas |
| Chiave a punte aperte |
| Steeksleutel |
| Clé à fourche |

Loosen Fastener
| Aflojar elemento de fijación |
| Befestigungsteil lösen |
| Desapertar fixador |
| Allentare il fissaggio |
| Bevestiging losdraaien |
| Desserrez les fixations |

Hex-Head Wrench
| Llave de cabeza hexagonal |
| Sechskantschlüssel |
| Chave de cabeça sextavada |
| Chiave esagonale |
| Zeskantsleutel |
| Clé à tête hexagonale |
TOOLS REQUIRED FOR INSTALLATION




PARTS

![A (1) [Shelf support] B (1) [Camera shelf]- C (2) [Bolt plate] - D (10) [Cable tie] E (2) 1/4-20 x 3/4" F (4) 5/16-18 G (2) [Cable clip] H (1) 5/32"](/content/2026/06/1203922/images/e2d8b3a27f788a5e905d0f0a7745515061d7ddadb8f898bd66561003e196675f.jpg)
Assembly and Installation
The PSMA800 is designed to be installed to Chief® PSMH mounts. Install PSMH mount to wall prior to installing PSMA800.
Installation to PSMH
- Measure height of display to be mounted from center of screen to desired shelf height. Use this distance to determine which holes to use to mount PSMA800 to PSMH. (See Figure 1)
![Above Shelf (Minimum shown) 22.00" [559] MIN. (SHOWN) 33.00" [838] MAX. FROM CTR OF SCREEN TO SHELF Below Shelf (Maximum shown) 21.00" [533] MIN. 32.00" [819] MAX. (SHOWN) FROM CTR OF SCREEN TO SHELF](/content/2026/06/1203922/images/fc10b1ea993d64308058e54d22477b55eaadb3a9af5ef5b9376aff969dbe9398.jpg)
Figure 1
- Use four 5/16-18 flange hex nuts (F) and two bolt plates (C) to secure shelf support (A) to PSMH mount at desired mounting height. (See Figure 2)

Figure 2
- Loosely install two 1/4-20 x 3/4" button head cap screws (E) into holes on support shelf. (See Figure 3)
- Hang camera shelf (B) onto screws. (See Figure 3)
- Tighten two screws (E) to secure camera shelf (B) to support shelf (A). (See Figure 3)

Figure 3
Camera Installation

WARNING: Exceeding the weight capacity can result in serious personal injury or damage to equipment! It is the installer's responsibility to make sure the combined weight of all components attached to the accessory does not exceed 10 lbs (4.54 kg).

WARNING: Camera must be secured to PSMA800 shelf using camera screw (not included). Failure to securely mount camera to shelf may result in serious personal injury or damage to equipment.
NOTE: Screw mounting options will vary based upon camera model.
- Install screw (not included) through long mounting slot on shelf and into hole on bottom of camera. (See Figure 4)
NOTE: Small holes on either side of long slot are for installing optional Vaddio® conference shot speakers (not included).

Figure 4
- Route cable from camera towards back of shelf and down through cable management holes. (See Figure 4)
Cable Management
- Install cable clips into holes on shelf support (A). (See Figure 5)
- Use installed cable clips (G) and cable ties (D) as desired to manage cables.

Figure 5