Dell S520 Dell Interactive Projector User's Guide - Page 119

Wireless Standard: IEEE 802.11 a/b/g/n 2T2R, Supports Audio Projection driver installation

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Wireless Lamp Lamp life Wireless Standard: IEEE 802.11 a/b/g/n (2T2R) OS environment: Windows 8/7/Vista/XP/2000, MAC OS X Support: Presentation slides and projector control. Allow connection up to 30 users at the same time. 4-to-1 split screen. Allows four presentation slides to be projected on screen. Conference Control mode. Supports Audio Projection (driver installation may be required. Download from dell.com/support). Supports MobiShow and WiFi-Doc projection. OSRAM 280 W user-replaceable lamp Normal mode: 3000 hours Eco mode: 4000 hours Dynamic eco cycle mode: 4500 hours NOTE: The lamp life rating for any projector is a measure of brightness degradation only, and is not a specification for the time it takes a lamp to fail and cease light output. Lamp life is defined as the time it takes for more than 50 percent of a lamp sample population to have brightness decrease by approximately 50 percent of the rated lumens for the specified lamp. The lamp life rating is not guaranteed in any way. The actual operating life span of a projector lamp will vary according to operating conditions and usage patterns. Usage of a projector in stressful conditions which may include dusty environments, under high temperatures, many hours per day, and abrupt powering-off will most likely result in a lamp's shortened operating life span or possible lamp failure. Specifications 119

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Specifications
119
NOTE:
The lamp life rating for any projector is a measure of
brightness degradation only, and is not a specification for the time it
takes a lamp to fail and cease light output. Lamp life is defined as the
time it takes for more than 50 percent of a lamp sample population to
have brightness decrease by approximately 50 percent of the rated
lumens for the specified lamp. The lamp life rating is not guaranteed
in any way. The actual operating life span of a projector lamp will vary
according to operating conditions and usage patterns. Usage of a
projector in stressful conditions which may include dusty
environments, under high temperatures, many hours per day, and
abrupt powering-off will most likely result in a lamp’s shortened
operating life span or possible lamp failure.
Wireless
Wireless Standard: IEEE 802.11 a/b/g/n (2T2R)
OS environment: Windows 8/7/Vista/XP/2000,
MAC OS X
Support: Presentation slides and projector
control.
Allow connection up to 30 users at the same
time.
4-to-1 split screen. Allows four presentation
slides to be projected on screen.
Conference Control mode.
Supports Audio Projection (driver installation
may be required. Download from
dell.com/support).
Supports MobiShow and WiFi-Doc projection.
Lamp
OSRAM 280 W user-replaceable lamp
Lamp life
Normal mode: 3000 hours
Eco mode: 4000 hours
Dynamic eco cycle mode: 4500 hours