Gateway M255e Manual

4-7Media Play Function
NAMEFILE EXTENSIONFORMAT
SAMI.smiHTML
SubRip.srtstring-based
SubViewer .substring-based
Micro DVD .sub or .txtstring-based 

Troubleshooting5-1
5 Troubleshooting
5-1 Before Requesting Service
 Please check the following before requesting After-Sales service. If the problem continues, please contact your nearest 
Samsung Electronics Service Center.
 
Symptoms Troubleshooting
Installa-
tion and 
Connec-
tion  No Power.
Check the power cable connections. 
I want to install my projector on the ceiling.  The ceiling installation  bracket is sold separately. Contact your 
local product distributor. 
External Source can not be...

5-1Troubleshooting
Screen and 
External 
Source Cannot see picture images.
Be sure that the power cord of the projector is connected.
Be sure that the proper input source is selected.
Check that the connectors are properly connected to the ports 
at the back of the projector.
Check the Remote Control batteries.
Be sure that the  and settings are not at 
their lower limit.
Poor color.  Adjust the  and . 
Images are not clear. Adjust the focus. 
Check if the projector is too far  from or too near to the...

Troubleshooting5-1
NetworkThe Web browser will not start up. Check the system requirements for the PC to con nect to the Web  
browser.
The Web browser will not connect to the 
projector. 1. Check whether the power cable is connected to the projector 
(See Section 2-9, 
Connecting the Power).
2. Check if the network environments for the PC and projector are  correct (See Section 2-17, 
Connecting to a Network).
3. Check whether the correct network card in the PC has been 
selected when the PC (server)...

5-1Troubleshooting
Media Play 
FunctionI hear no sound when playing a video file from 
my USB storage device. Check the audio format of the video file.
Sound is not available for non-su
pported formats such as AC3, 
etc.
Convert the audio format into a supported format using a video 
converter.
The subtitle is not displayed for video that is 
being played. Press the [MEDIA.P] button on
 the screen where video is 
being played and check if  is set to .
To view video with the subtitle f unction on, the...

More Information6-1
6 More Information
6-1 Specifications
 6-1-1. SP-M205 / SP-M225 / SP-M255 
MODELSP-M205SP-M225SP-M255
PanelSize0.63  in ches  3P LCD
Reso lution XGA (1024 x  768)
Aspect  ratio 4 : 3
Power Power  Consumption  240 W
(Standby : under 1W) (Standby : under 1W) (Standby : under 1W)
240 
W 260 W
 V
04
2~
00
1
 e
ga
tl
oV AC, 50/60Hz
La mpPower  Consumption  180 W 180 W 200 W
Li fe Tim e3,000 Hours (Eco : 5,000 Hours  )
Dimension  279 x  229 x  79 m m / 10.98 x  9.02 x  3.11 inches
We...

6-1More Information
6-1-2. SP-M275 / SP-M305
 The LCD panel used in the LCD projector consists of hundreds of thousands of fine pixels. Like other video display 
devices, the LCD panel may contain bad pixels which do not operate. When shipping a product, the conditions for 
identifying bad pixels and the number of bad pixels that a LCD panel is allowed to contain are strictly managed in 
accordance with the relevant specified standards by the  LCD panel manufacturer and our company. Though a screen 
may...

More Information6-2
6-2 RS232C Command Table
Communication Format (Complies with the RS232C Standard)
• Baud rate : 9,600 bps 
• parity : None
• Data bits : 8, stop bit : 1
• Flow Control : None
Serial Communication Protocol
1.Command Packet Structure [7bytes]
• A command packet consists of 7 bytes in total.
• The two bytes 0x08 and 0x22 signify that  the packet is for serial communication.
• The following 4 bytes represent a pre-defined  command that can be defined by the user.
• The last byte is the...

6-2More Information
Command Table
CONTROL ITEMCMD1CMD2CMD3VALUE
General Power Power Display OSD  / Power On0x00 0x00 0x00 0
OK 1
Cancel 2
Direct Power 
Off 3
Volume Direct 0x01 0x00 0x00 (0~100) Continuous Up 0x01 0
Down 0x02 0
Mute On0x02 0x00 0x00 0
Off 1
Blank On0x03 0x00 0x00 0
Off 1
Still On0x04 0x00 0x00 0
Off 1
Power On 
Protection (0~9) Key-
pad0x05 0x00 0x00 (0~9)
Input Source List AV AV0x0A 0x00 0x01 0
PC PC 0x03 0
HDMI HDMI 0x04 0
Media Play Media Play 0x05 0 

More Information6-2
Picture Mode Dynamic0x0B 0X00 0x00 0
Standard 1
Presentation 2
Text 3
Movie 4
Game 5
User 6
Contrast 0~100 0X02 0x00 (0~100)
Brightness 0~100 0X03 0x00 (0~100)
Sharpness 0~100 0X04 0x00 (0~100)
Color 0~100 0X05 0x00 (0~100)
Tint (G/R) G50 / R50  0x06 0x00 (0~100)
Color Tone Cool2 0x0A 0x00 1
Cool1 2
Warm1 3
Warm2 4
WB R offset 0x0B 0x00 (0~100)
G offset 0x01 (0~100)
B offset 0x02 (0~100)
R gain 0x03 (0~100)
G gain 0x04 (0~100)
B gain 0x05 (0~100)
CONTROL ITEMCMD1CMD2CMD3VALUE