Gateway M255e Manual

2-15Installation and Connection
2-15 Connecting using a Video cable
Make sure that the AV device and your projector are turned off.
1.
Connect the AV device to the [VIDEO IN] port using a VIDEO cable (not supplied).
- For supported input signal formats, see AV Timing (VIDEO) in section 2-8, Supported Display Modes.
2. Connect the [ AUDIO IN (L-AUDIO-R) ] terminal on the back of the projector and the Audio out terminal on your AV device 
using an audio cable (Not supplied). 

Installation and Connection2-16
2-16 Connecting an External Speaker
You can hear sound through an external speaker instead of the internal speakers built into the projector. 
1. Obtain an audio cable (Not supplied) suitable for your external speaker.
2. Connect the [AUDIO OUT /] terminal of the projector to the external speaker using an audio cable.
- When using an external speaker, the internal speaker does no t operate but you can adjust the volume of the external 
speaker using the Volume button or...

2-17Installation and Connection
2-17 Connecting to a Network 
 This product can use network functions. Refer to the following Network connection method. 
2-17-1. Connecting to a Dynamic IP (DHCP) Network
You can attach the projector to your network through a modem  that uses DHCP (Dynamic Host Configuration Protocol). When 
you use a DHCP modem, the modem automatically provides the IP  address, subnet mask, and gateway values that the projector 
needs to access the network.
To connect to a DHCP network,...

Installation and Connection2-17
2-17-2. Connecting to a Static IP Network
You can attach the projector to a network t hat uses a Static IP address, which corresp onds to using a dedicated lease line. If your 
network uses Static IP addresses, you must get the IP address, subnet  mask, and gateway values from your Internet Service 
Provider (ISP), turn on the Network function in the projecto rs Menu, and then enter the values into the Network function 
manually.
To connect to a Static IP address network,...

2-18Installation and Connection
2-18 Kensington Lock slot
The Kensington Lock slot allows you to lock your projector, providing a sense of security when you use it in a public place. 
Because the shape and usage of the lock may differ depending  on the model and the manufacturer, see the User Manual 
supplied with the locking device for more information.
Locking the product
1. Loop the Kensington lock cable around an immovable part of de sk or heavy object as directed in the Kensington lock user 
manual....

Using3-1
3Using
3-1 Product Features 
1.An optical engine adopting new LCD technology
• 1024 x 768 resolution. 
• 3P-LCD panel.
• SP-M205 : Provides a bright, 2000 
ANSI lumen screen. 
• SP-M225 : Provides a bright, 2200 
ANSI lumen screen. 
• SP-M255 : Provides a bright, 2500 

ANSI lumen screen.
• SP-M275 : Provides a bright, 2700 

ANSI lumen screen.
• SP-M305 : Provides a bright, 3000 

ANSI lumen screen.
2. Minimized fan noise 
• Minimizes fan noise through optimized internal  air flow and the fan...

3-2Using
3-2 Front, Upper
ICONNAMEDESCRIPTION
Indicators - STAND BY (Blue LED) 
- LAMP (Blue LED)
- STATUS (Green/Red/Yellow LED) 
 Refer to the LED Indications. 
Move  / Select 
 Volume   button   /  : Use to move or to se
lect an item within a menu. 
 : Use to adjust the volume.
MENU button Use to display the Menu Screen.
SOURCE button Use to select the external device signal. 
 
POWER button  Use to turn the projector on or off. 
 Zoom Knob  Use to enlarge or reduce image size.
  Focus Ring 
Use for...

Using3-3
3-3 Remote Control 
 Using your projector with another remote control device nearby may result in  improper functioning due to remote control 
code (frequency) interference.
 
POWER ( ) Button
Use this button to turn the projector on 
and off. QUICK   Button
Use to quickly return to the last menu 
used. 
P.MODE  Button 
Use to select Picture Mode.AUTO  Button 
Automatically adjust the screen. (Only 
enabled in  mode.)
P.SIZE  Button 
Use to adjust the size of picture 
screen. BLANK Button
Use to...

3-3Using
 • Make sure to place your remote control on a table or desk. 
- If you step on the remote control, you may  fall and hurt yourself or damage the remote. 
• You can use the remote control up to a distance  of about 32.8 feet (10 m) from the product.
 
Installing Batteries in the Remote Control
1.Lift the cover at the back of the remote  control upward as shown in the figure.
2. Insert two AAA size batteries.
3. Close the cover. 

Using3-4
3-4 LED Indications 
LED Indications 
:Light is On  :Light is Blinking  :Light is Off
STATUSLAMPSTAND BYSTATUS
If you press the [POWER] button on the remote control or projector, the screen
appears within 30 seconds.
The projector is operating normally. 
The projector is preparing an operation after the [POWER] button on the projec-
tor or the remote control has been pressed.
The [POWER] button has been pressed to turn off the projector, and the cool-
ing system is in operation to cool off t he...