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13. Projector control
13.4.1 Introduction to a Network connection
DHCP
Dynamic host configuration protocol. DHCP is a communications protocol that lets network administrators manage
centrally and automate the assignment of IP addresses in an organization’s network. Using the Internet Protocol, each
machine that can connect to the Internet needs a unique IP address. When an organization sets up its computer users
with a connection to the Internet, an IP address must be assigned to each machine. Without DHCP, the IP address
must be entered manually at each computer and, if computers move to another location in another part of the network,
a new IP address must be entered. DHCP lets a network administrator supervise and distribute IP addresses from
a central point and automatically sends a new IP address when a computer is plugged into a different place in the
network.
IP
Internet Protocol. The network layer of TCP/IP. Required for communication with the internet.
Subnet mask
A number that is used to identify a subnetwork so that IP addresses can be shared on a local area network.
Default Gateway
A router that serves as an entry point into and exit point out of a network. For example, a local network (LAN) may
need a gateway to connect it to a wide area network (WAN) or to the Internet.
MAC address
Media Access Control address. Unique hardware number, used in combination with the IP-address to connect to the
network (LAN or WAN).
What should be set up for an Ethernet address?
2 ways can be used to assign an address:
•
use the DHCP setting so that an automatic address will be assigned.
•
Assign manually an IP address, Net-mask (subnet-mask), (default) gateway address.
- Set the IP-Address field to the desired value. This must NOT be 0.0.0.0 for static IP-Address assignment. The IP address
identifies a projector’s location on the network in the same way a street address identifies a house on a city block. Just as
a street address must identify a unique residence, an IP address must be globally unique and have a uniform format.
- Set the Subnet-Mask as appropriate for the local subnet.
- Set the Default-Gateway to the IP-Address of the local router (MUST be on the local subnet!) on the same network as this
projector that is used to forward traffic to destinations beyond the local network. This must not be 0.0.0.0. If there is no
router on the projector’s local subnet then just set this field to any IP-Address on the subnet.
13.4.2 DHCP setup
How to switch DHCP setting?
1. Press
MENU
to activate the menus.
2. Use the
▲
or
▼
key to select
Projector control
and press
ENTER
.
3. Use the
▲
or
▼
key to select
Ethernet
and press
ENTER
.
The Ethernet menu opens.
4. Use the
▲
or
▼
key to select
DHCP
.
5. Press
ENTER
to toggle the DHCP setting.
130
R59770057 CLM HD8 16/07/2007
Summary of Contents for CLM HD8 R9050130
Page 1: ...CLM HD8 User guide R9050130 R90501301 R59770057 00 16 07 2007...
Page 4: ......
Page 22: ...2 General 18 R59770057 CLM HD8 16 07 2007...
Page 34: ...3 Physical installation 30 R59770057 CLM HD8 16 07 2007...
Page 46: ...5 Connections 42 R59770057 CLM HD8 16 07 2007...
Page 58: ...6 Getting started 54 R59770057 CLM HD8 16 07 2007...
Page 92: ...9 Image menu 88 R59770057 CLM HD8 16 07 2007...
Page 154: ...15 Maintenance 150 R59770057 CLM HD8 16 07 2007...
Page 164: ...16 Servicing 160 R59770057 CLM HD8 16 07 2007...
Page 188: ...E Mounting optional Carry handle 184 R59770057 CLM HD8 16 07 2007...
Page 190: ...F Order info 186 R59770057 CLM HD8 16 07 2007...