39978HWV - Meuble audiovisuel DA-LITE - Free user manual and instructions

Product Type	Manual Pull-Down Projection Screen
Diagonal Screen Size	80 inches (16:9 format)
Viewing Area	Approximately 39.3 x 69.7 inches
Overall Dimensions (HxWxD)	41.5 x 72.5 x 3 inches
Weight	15 lbs
Screen Material	Matte White with black borders
Gain	1.0
Viewing Angle	160°
Operation	Manual pull-down with locking mechanism
Mounting	Wall or ceiling mountable (hardware not included)
Power Supply	None (manual operation)
Key Features	Keystone-alleviating design, noiseless pull-down, scratch-resistant screen surface
Cleaning Instructions	Wipe with a soft dry cloth; avoid abrasive cleaners
Safety	Secure mounting to prevent tipping; keep away from children
Spare Parts	Replacement screen material available; contact Da-Lite
Repairability	Limited; spring assembly and housing can be repaired by qualified technicians
Warranty	2 years limited warranty

Frequently Asked Questions - 39978HWV DA-LITE

How do I install the Da-Lite 39978HWV screen?

Mount the screen securely to a wall or ceiling using appropriate hardware. Ensure the surface is level and the screen is centered. Follow the included installation guide for precise measurements.

Can I use this screen outdoors?

The Da-Lite 39978HWV is designed for indoor use. Exposure to moisture or extreme temperatures may damage the screen material.

How do I clean the screen surface?

Gently wipe the screen with a soft, dry cloth to remove dust. For stubborn stains, use a slightly damp cloth with water only. Avoid any solvents or abrasive cleaners.

What is the aspect ratio of this screen?

The screen has a 16:9 aspect ratio, ideal for widescreen HD content.

Is the screen mold and mildew resistant?

The matte white material includes a treatment that resists mold and mildew growth in normal indoor environments.

Can I replace the screen material if it gets damaged?

Yes, replacement screen material is available from Da-Lite. Contact customer support for the correct part number and installation instructions.

Does the screen come with mounting hardware?

Mounting hardware is not included. You will need to purchase appropriate wall or ceiling mounts separately.

What is the weight capacity of the screen?

The screen itself weighs approximately 15 lbs. Ensure the mounting system supports this weight plus a safety margin.

How do I adjust the keystone effect?

The screen casing is designed with a keystone adjustment feature. Loosen the screws on the top casing, tilt the screen as needed, then retighten.

What is the warranty period?

Da-Lite offers a 2-year limited warranty against manufacturing defects. For details, refer to the warranty card or contact support.

USER MANUAL 39978HWV DA-LITE

Technical line drawing of a mechanical assembly with a control box and conveyor system (no text or symbols)

INSTRUCTION BOOK FOR

Dual Monitor Video Conferencing Cart

Procedure

1. Remove contents from carlons and examine for damaged or missing parts. The keys for the cabinet doors are tied to the outside of the cart.

CAUTION: The user of this product should exercise caution when moving the cart. Any sudden stop could cause instability of the stand and could cause serious injury and/or damage. The cart should always be pushed, never pulled, by the user. Always push from the side of the cart, never from the front or back of the cart. Use two people to lift the flat panel display and mount it on the bracket during assembly.

Required Tools

7/16" Wrench

1/2" Socket

9/16" Socket

Phillips Screwdriver

Ratchet and Extensions

Parts

Item	Description	QTY		Item	Description	QTY
1	Bar, Security 1			J	Screw, SHCS M4 x 12mm	4
2	Bracket, Hanging 2			K	Washer, Flat #10	4
3	Flat Panel Mount Assembly 1			L Washer, Flat #8		4
4	Cover 1			M	Wrench, Allen 4mm	1
5	Column, Aluminum 2			N	Wrench, Allen 3mm 1
6	Bracket, Mount Support	1			Package Set	1
7	Cover, Plastic	1		P	Screw, Mach 1/4"-20 x 2-1/2"	1
8	Video Conferencing Shelf Assembly	1		Q	Nut, Hex 1/4"-20 Nylon Lock	1
9	Plate, Base	1		R	Nut, Hex 1/4"-20 KEPS	1
10	Package Set	1			Package Set	1
A	Padlock W/Keys	1		S	Nut, Sliding M8	4
	Package Set	1		T	Plate, Reinforcing	2
B	Screw, SHCS M8 x 20mm	4		U	Screw, HHCS 3/8"-16 x 1", Blk	4
C	Washer, Flat 3/8"	4		V	Screw, SHCS M8 x 16mm, Blk	8
D	Wrench, Allen 6mm	1		W	Screw, SHCS M8 x 50mm, Blk	4
	Package Set	1		X	Velcro, Loop 3"	1
E	Screw, SHCS M6 x 20mm	4		Y	Velcro, Hook 3"	1
F	Washer, Flat 1/4"	4		F Washer, Flat 1/4"		8
G	Wrench, Allen 5mm 1			C	Washer, Flat 3/8"	2
	Package Set	1
H	Screw, SHCS M5 x 20mm	4

1. You will need access to the inside of the cart. Remove the back panel by unlocking the two locks on the back of the cart. See Figure 1. The back panel can then be tilted and lifted out of the bottom recess.

Figure 1 Figure 3

1. Install Mount Support Bracket onto Aluminum Columns. See Figure 3. Tighten all fasteners including those securing the Columns.

1. Install Flat Panel Mount Assembly onto the Mount Support Bracket. See Figure 4. Use the top of the cart for support. Fasten Flat Panel Mount through lower holes on Mount Support Bracket first. Rotale Flat Panel Mount Assembly upwards to secure upper holes on bracket. Tighten all fasteners.

2. Install Base Plate and Aluminum Columns onto top shelf. See Figure 2. Position the Base Plate and Columns with slots facing toward each other as shown. Use Reinforcing Plates where indicated. Leave fasteners loose. The proper allen wrench can be found with the monitor mounting fasteners.

Figure 2

Figure 4

1. Secure the Hanging Brackets to the back of both flat panel displays utilizing all of the fastener points recommended by the flat panel manufacturer. See Figure 5.

NOTE: It is the responsibility of the installer to obtain any additional fasteners needed to secure the Hanging Brackets to the flat panel unit.

1. See Figure 6. The width of the flat panel unit "W" is the same distance that should be between the two Fixed Channels of the mount.

Remove two existing screws and nuts per Fixed Channel. Position the Fixed Channels into the desired locations. Secure each Fixed Channel with the two existing screws and nuts, and four other screws and nuts of similar type.

Figure 6

1. Use two people to hang the flat panel units on the Flat Panel Mount Assembly making sure the top and bottom notches of each Hanging Bracket are placed over the upper and lower Zee-Bars.
2. Slide the Security Bar through the slots in the Hanging Brackets and Mount, bolt one end to the Zee Bar and then secure the opposite end with the padlock See Figures 7 and 8.

Figure 7

1. Install Cover. See Figure 9.11. Determine height needed for dual monitors. Trim Plastic

Figure 9

Cover to match height of open area between the Columns and underneath Mount Support Bracket. Bend Plastic cover and install between the columns.

See Figure 10.

Hang Video Conference Shelf on mount.

See instruction sheet E-431.

Figure 10

LIMITED ONE YEAR WARRANTY ON DA-LITE PRESENTATION PRODUCTS

Milestone AV Technologies LLC warrants certain Da-Lite branded products to the original purchaser only, to be free from defects in materials and workmanship for a period of one (1) year from the date of purchase by the original purchaser; provided they are properly operated according to Da-Lite's instructions and are not damaged due to improper handling or treatment after shipment from the factory.

This warranty does not apply to equipment showing evidence of misuse, abuse or accidental damage, or which has been tampered with or repaired by a person other than authorized Da-Lite personnel.

Da-Lite's sole obligation under this warranty shall be to repair or to replace (at Da-Lite's option) the defective part of the merchandise. Returns for service should be made to your Da-Lite dealer. If it is necessary for the dealer to return the screen or part to Da-Lite, transportation expenses to and from Da-Lite are payable by the purchaser and Da-Lite is not responsible for damage in shipment. To protect yourself against damage or loss in transit, insure the product and prepay all transportation expenses.

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES AS TO FITNESS FOR USE AND MERCHANTABILITY. Any implied warranties of fitness for use, or merchantability, that may be mandated by statute or rule of law are limited to the one (1) year warranty period. This warranty gives you specific legal rights, and you may also have other rights, which vary from state-to-state. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, NO LIABILITY IS ASSUMED FOR EXPENSES OR DAMAGES RESULTING FROM INTERRUPTION IN OPERATION OF EQUIPMENT, OR FOR INCIDENTAL, DIRECT, OR CONSEQUENTIAL DAMAGES OF ANY NATURE.

In the event that there is a defect in materials or workmanship of a Da-Lite product, you may contact our Sales Partners at PO Box 137, Warsaw, IN 46581-0137, [phone], [phone].

IMPORTANT: THIS WARRANTY SHALL NOT BE VALID AND DA-LITE BRANDED PRODUCTS SHALL NOT BE BOUND BY THIS WARRANTY IF THE PRODUCT IS NOT OPERATED IN ACCORDANCE WITH THE DA-LITE WRITTEN INSTRUCTIONS.

Keep your sales receipt to prove the date of purchase and your original ownership.

A Milestone AV Technologies Brand

3100 North Detroit Street

Warsaw, Indiana 46582

P: 574.267.8101 or 800.622.3737

F: 574.267.7804 or 877.325.4832

E: [e-mail]

www.da-lite.com

DL-0361 5.14

© 2014 Milestone AV Technologies LLC. Printed in U.S.A.