LS740HD Initial Setup

Choosing a Location - Projector Orientation

Personal preference and room layout will decide the installation location. Consider the following:

• Size and position of your screen.
• Location of a suitable power outlet.
• Location and distance between the projector and other equipment.

The projector is designed to be installed in one of the following locations:

• 
  Desk Front
• 
  Ceiling Front
• 
  Desk Rear
• 
  Ceiling Rear

Location	Description
Desk Front	The projector is placed near the floor in front of the screen.
Ceiling Front	The projector is suspended upside-down from the ceiling in front of the screen.
Desk Rear	The projector is placed near the floor behind the screen.
Ceiling Rear	The projector is suspended upside-down from the ceiling behind the screen.

Projection Dimensions

16:9 Image on a 16:9 Screen

NOTE: (e) = Screen | (f) = Center of Lens

(a) Screen Size		(b) Projection Distance				(c) Image Height		(d) Vertical Offset
		min.		max.
in.	mm	in.	mm	in.	mm	in.	mm	in.	mm
30	762	29.55	750	38.44	976	14.71	374	2.35	60
40	1016	39.40	1001	51.25	1302	19.61	498	3.14	80
50	1270	49.24	1251	64.06	1627	24.51	623	3.92	100
60	1524	59.09	1501	76.87	1953	29.42	747	4.71	120
70	1778	68.94	1751	89.69	2278	34.32	872	5.49	139
80	2032	78.79	2001	102.50	2603	39.22	996	6.28	159
90	2286	88.64	2251	115.31	2929	44.12	1121	7.06	179
100	2540	98.49	2502	128.12	3254	49.03	1245	7.84	199
110	2794	108.34	2752	140.93	3580	53.93	1370	8.63	219
120	3048	118.19	3002	153.75	3905	58.83	1494	9.41	239
130	3302	128.03	3252	166.56	4231	63.73	1619	10.20	259
140	3556	137.88	3502	179.37	4556	68.64	1743	10.98	279
150	3810	147.73	3752	192.18	4881	73.54	1868	11.77	299
200	5080	196.98	5003	256.24	6509	98.05	2491	15.69	398
250	6350	246.22	6254	320.30	8136	122.57	3113	19.61	498
300	7620	295.46	7505	384.36	9763	147.08	3736	23.53	598

NOTE:

• These figures are for reference purposes only. Please refer to the actual projector for the precise dimensions.
• It is recommended that if you intend to permanently install the projector to physically test the projection size and distance using the actual projector before you permanently install it.

16:9 Image on a 4:3 Screen

NOTE: (e) = Screen | (f) = Center of Lens

(a) Screen Size		(b) Projection Distance				(c) Image Height		(d) Vertical Offset
		min.		max.
in.	mm	in.	mm	in.	mm	in.	mm	in.	mm
30	762
40	1016
50	1270
60	1524
70	1778
80	2032
90	2286
100	2540
110	2794
120	3048
130	3302
140	3556
150	3810
200	5080
250	6350
300	7620

NOTE:

• These figures are for reference purposes only. Please refer to the actual projector for the precise dimensions.
• It is recommended that if you intend to permanently install the projector to physically test the projection size and distance using the actual projector before you permanently install it.

Mounting the Projector

NOTE: If you buy a third party mount, please use the correct screw size. Screw size can vary depending on the thickness of the mounting plate.

1. To ensure the most secure installation, please use a ViewSonic® wall or ceiling mount.
2. Ensure the screws used to attach the mount to the projector meet the following specifications:

• Screw type: M4 x 10
• Maximum Screw Length: 10 mm

CAUTION

• Avoid installing the projector near a heat source or air conditioner.
• Keep at least a 10 cm (3.9 in.) gap between the ceiling and the bottom of the projector.

Using the Security Bar

To help prevent the projector from being stolen, use a security slot locking device to secure the projector to a fixed object.