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 screen. Strange noise. If a strange sound continues, contact your Service Center. An operating LED is lit. Refer to Corrective Actions According to LED Indications. Lines appear on screen. On-screen noise may occur when using your PC. Adjust the frequency (refresh rate) of the screen. No external device screen is displayed. Check the operating status for the external device and check whether the adjustable menu items, such as and have been changed correctly in the command screen of the Projector menu. Only a blue screen appears. Be sure to properly connect the external devices. Check the connection cables again. Screen appears in black and white or in an odd color or screen is too dark or bright. As mentioned above, check the adjustable items such as , , or in the menu. If you want to restore various settings to their factory defaults, run from the menu. 4-1 Troubleshooting 5 More Information 5-1 Specifications MODEL SP-M200 SP-M220 SP-M250 Panel Size 0.63 inches 3P LCD Resolution XGA (1024 x 768) Aspect ratio 4:3 Power Power Consumption 240 W 240 W 260 W Voltage 100~240V AC, 50/60Hz Lamp Power Consumption 180 W 180 W 200 W Life Time 3,000 Hours (Eco : 5,000 Hours ) Dimension 279 x 229 x 79 mm / 10.98 x 9.02 x 3.11 inches Weight 2.5 Kg / 5.5 lbs Key Features Brightness 2,000 ANSI 2,200 ANSI 2,500 ANSI Contrast 500:1 Projection Range 1 m ~ 14 m / 39.37 inches ~ 551.18 inches Keystone Vertical( ± 20 °) Zoom Adjustment ff Manual Focus Adjustment Manual Screen Size (Diagonal) Diagonal 30 inches ~ 400 inches Lens F=1.7 ~ 1.87, f=19.2mm ~ 23 mm Zoom Ratio 1:1.2 Input signal D-Sub 15p Analog RGB, analog YPbPr HDMI Digital RGB, digital YPbPr RCA x 1 Composite video Speaker 7 W (Mono) User Environment Temperature and Humidity Operating : Temperature 41 °F ~ 95 °F (5 °C ~ 35 °C), Humidity 20 % ~ 80 % (Non-condensing) Storage : Temperature 14 °F ~ 140 °F (-10 °C ~ 60 °C), Humidity 10 % ~ 90 % (Non-condensing) Noise Eco : 31dB, Bright : 36dB E3 This Class B equipment is designed for home and office use. The equipment has been registered regarding EMI for residential use. It may be used in all areas. Class A is for office use. Class A is for business while class B emits less electromagnetic waves than class A. More Information 5-1 □ 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 have some dead pixels, this does not affect the overall screen quality and the lifetime of the product. 5-1 More Information 5-2 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] 0x22 cmd1 cmd2 cmd3 value 0x08 CS 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 checksum which checks the validity of the current packet. Header [2 Byte]: Pre-defined values fixed to 0x08 and 0x22. Cmd1 [1 Byte]: The first value of the code defined in the command list (Hexadecimal) Cmd2 [1 Byte]: The second value of the code defined in the command list (Hexadecimal) Cmd3 [1 Byte]: The third value of the code defined in the command list (Hexadecimal) Value [1 Byte]: Input parameter for the command (Default: 0) (Hexadecimal) CS [1 Byte]: Checksum (the 2's complement of the sum of all the values except for the CS value.) 2. Response Packet Structure [3 Bytes] 1. Success 0x03 0x0C 0xF1 2. Fail 0x03 0x0C 0xFF When the received packet from an external device has a valid value, a Success packet is sent. Otherwise, a Fail packet is sent. A Fail packet is sent if: • The received packet length is not equal to 7 bytes. • The 2 byte packet header value is not equal to 0x08, 0x22. • The check sum is incorrect. Failure detection by an external device • An external device classifies the packet as Fail if it does not receive a Success packet within 100ms. More Information 5-2 Command Table CONTROL ITEM CMD1 CMD2 CMD3 VALUE P...