Optoma Gt720 Projector User Manual
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41English Appendices Image is out of focus Make sure the lens cap is removed. Adjust the Focus Ring on the projector lens. Make sure the projection screen is between the required distance. See page 16. The image is stretched when displaying 16:9 DVD title When you play anamorphic DVD or 16:9 DVD, the projector will show the best image when the projector display mode is set to 16:9 in the OSD. If you play 4:3 format DVD titles, please change the format to 4:3 in the projector OSD. If the image is still stretched, you will also need to adjust the aspect ratio by referring to the following: Please setup the display format as 16:9 (wide) aspect ratio type on your DVD player. Image is too small or too large Move the projector closer to or further from the screen. Press “Menu” button on the remote control or projector panel, go to “DISPLAY Format” and try the different settings. Image has slanted sides If possible, reposition the projector so that it is horizontally centered on the screen and below the bottom of the screen. Press “Keystone +/-” button on the remote control or press “ / ” on the projector panel, until the sides are vertical. Image is reversed Select “SETUP Projection” from the OSD and adjust the projection direction. Use of Keystone is not recom- mended.
42 English Appendices The projector stops responding to all controls If possible, turn off the projector, then unplug the power cord and wait at least 60 seconds before reconnecting power. Check that “Keypad Lock” is not activated by trying to control the projector with the remote control. Lamp burns out or makes a popping sound When the lamp reaches its end of life, it will burn out and may make a loud popping sound. If this happens, the projector will not turn on until the lamp module has been replaced. To replace the lamp, follow the procedures in the “Replacing the Lamp” section on pages 44-45. LED lighting message Steady light No light MessageON/STANDBY LEDTemp-LEDLamp-LED (Green/Amber) (Red)(Red) Standby State (Input power cord) Amber Power on (Warming) Flashing Green Lamp lighting Green Power off (Cooling) Flashing Green Error (Over Temp.) Flashing Amber Error (Fan fail) Flashing Amber Flashing Error (Lamp fail) Flashing Amber ＊ ON/STANDBY LED be ON when OSD appears, be OFF when OSD disappears.
43English Appendices On Screen Messages Temperature warning: Fan failed: Lamp warming: Out of display range: If the remote control does not work Check the operating angle of the remote control is within ±15° both horizontally and vertically of one of the IR receivers on the projector. Make sure there are not any obstructions between the remote control and the projector. Move to within 7 m (±0°) of the projector. Make sure the batteries are inserted correctly. Replace batteries if they are exhausted.
44 English Appendices Replacing the lamp The projector automatically detects the lamp life. When the lamp life is nearing the end of use, you will receive a warning message. When you see this message, please contact your local reseller or service center to change the lamp as soon as possible. Make sure the projector has been cooled down for at l east 30 minutes before changing the lamp. Warning: Lamp compartment may be hot! Allow it to cool down before changing the lamp! Warning: To reduce the risk of personal injury, do not drop the lamp module or touch the lamp bulb. The bulb may shat- ter and cause injury if it is dropped. Warning: If ceiling mounted, please use caution when opening the lamp access panel. It is recommended to wear safety glasses if changing the bulb when ceiling mounted. “Caution must be used to prevent any loose parts from fall - ing out of projector.”
45English Appendices Lamp Replacement Procedure: 1. Switch off the power to the projector by pressing the “” button. 2. Allow the projector to cool down for at least 30 minutes. 3. Disconnect the power cord. 4. Unscrew the two screws on the cover. 1 5. Lift up and remove the cover. 2 6. Unscrew the two screws on the lamp module. 3 7. Lift up the lamp handle and remove the lamp module slowly and carefully . 4 To replace the lamp module, reverse the previous steps. 8. Turn on the projector and use “Lamp Reset” after the lamp module is replaced. Lamp Reset: (i) Press “Menu” (ii) Select “OPTIONS” (iii) Select “Lamp Settings” (iv) Select “Lamp Reset” (v) Select “Yes”. 1 2 3 4 The screws on the lamp cover and the lamp cannot be removed. The projector cannot be turned on if the lamp cover has not been placed back on the projector. Do not touch the glass area of the lamp. Hand oil can cause the lamp to shatter. Use a dry cloth to clean the lamp module if it was accidentally touched.
46 English Appendices Compatibility Modes Mode Resolution V-Sync (Hz) H-Sync (KHz) Anglog DigitalAnglog Digital VGA 640 × 350 707031.50 31.50 VGA 640 × 350 858537.90 37.90 VGA 640 × 400 858537.90 37.90 VGA 640 × 480 606031.50 31.50 VGA 640 × 480 6767 -- VGA 640 × 480 727237.90 37.90 VGA 640 × 480 757537.50 37.50 VGA 720 × 400 707031.50 31.50 VGA 720 × 400 858537.90 37.90 SVGA 800 × 600 565635.20 35.20 SVGA 800 × 600 606037.90 37.90 SVGA 800 × 600 727248.10 48.10 SVGA 800 × 600 757546.90 46.90 SVGA 800 × 600 120120 -- XGA 1024 × 768 606048.40 48.40 XGA 1024 × 768 707056.50 56.50 XGA 1024 × 768 757560.00 60.00 XGA 1024 × 768 120120 -- WXGA 1280 × 800 606049.68 49.64 SXGA 1280 × 1024 606063.98 63.98 SXGA+ 1400 × 1050 606063.98 63.98 UXGA 1600 × 1200 606075.00 75.00 WSXGA+(*) 1680 × 1050 606065.00 65.00 HD 1280 × 720 606045.00 45.00 HD 1280 × 720 120120 -- HD 1920 × 1080 6060 -- Computer Compatibility For widescreen resolution (WXGA), the compatibility support is dependent on Notebook/PC models. 120Hz input signals may be dependent on graphics cards support. (*) For WXGA only.
47English Appendices Video Compatibility Computer Compatibility Mode Resolution V-Sync (Hz) H-Sync (KHz) MAC LC 13” 640 × 480 66.66 34.98 MAC II 13” 640 × 480 66.68 35.00 MAC 16” 832 × 624 74.55 49.73 MAC 19” 1024 × 768 7560.24 MAC 1152 × 870 75.06 68.68 MAC G4 640 × 480 6031.35 i MAC DV 1024 × 768 7560.00 i MAC DV 1152 × 870 7568.49 NTSCM (3.58MHz), 4.43 MHz PAL B, D, G, H, I, M, N SECAM B, D, G, K, K1, L SDTV/HDTV 480i/p, 576i/p, 720p@50Hz/60Hz, 1080i/p@50Hz/60Hz
48 English Appendices RS232 Pin Assignments Pin no. Spec. (from projector side) 1 N/A 2 RXD 3 TXD 4 N/A 5 GND 6 N/A 7 N/A 8 N/A 9 N/A 1 2 3 4 5 6 7 8 9 RS232 Commands and Protocol Function List
49English Appendices RS232 Protocol Function List Baud Rate : 9600 Data Bits: 8 Parity: None Stop Bits: 1 Flow Control : None UART16550 FIFO: Disable Projector Return (Pass): P Projector Return (Fail): F 1. There is a after all ASCII commands. 2. 0D is the HEX code for in ASCII code.Optoma ES523ST/EW533ST RS232 Command Table ------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------- Baud Rate : 9600 Note : There is a after all ASCII commands Data Bits: 8 0D is the HEX code for in ASCII code Parity: None Stop Bits: 1 Flow Control : None UART16550 FIFO: Disable Projector Return (Pass): P Projector Return (Fail): F XX=01À99, projectors ID, XX=00 is for all projectors ------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------- SEND to projector ------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------- 232 ASCII CodeHEX Code Function Description ------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------- ~XX00 1 7E 30 30 30 30 20 31 0D Power ON ~XX00 0 7E 30 30 30 30 20 30 0D Power OFF (0/2 for backward compatible) ~XX00 1 ~nnnn 7E 30 30 30 30 20 31 20 a 0D Power ON with Password ~nnnn = ~0000 (a=7E 30 30 30 30) - ~9999(a=7E 39 39 39 39) ------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------- ---------------------------------- ~XX01 1 7E 30 30 30 31 20 31 0D Resync ~XX02 1 7E 30 30 30 32 20 31 0D AV Mute On ~XX02 0 7E 30 30 30 32 20 30 0D Off (0/2 for backward compatible) ~XX03 1 7E 30 30 30 33 20 31 0D Mute On ~XX03 0 7E 30 30 30 33 20 30 0D Off (0/2 for backward compatible) ~XX04 1 7E 30 30 30 34 20 31 0D Freeze ~XX04 0 7E 30 30 30 34 20 30 0D Unfreeze (0/2 for backward compatible) ~XX05 1 7E 30 30 30 35 20 31 0D Zoom Plus ~XX06 1 7E 30 30 30 36 20 31 0D Zoom Minus ~XX12 5 7E 30 30 31 32 20 35 0D Direct Source Commands VGA ~XX12 8 7E 30 30 31 32 20 38 0D VGA Component ~XX12 9 7E 30 30 31 32 20 39 0D S-Video ~XX12 10 7E 30 30 31 32 20 31 30 0D Video ------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------- ---------------------------------- ~XX20 1 7E 30 30 32 30 20 31 0D Display Mode Presentation ~XX20 2 7E 30 30 32 30 20 32 0D Bright ~XX20 5 7E 30 30 32 30 20 35 0D User ~XX20 7 7E 30 30 32 30 20 37 0D Blackboard ~XX20 8 7E 30 30 32 30 20 38 0D Classroom ~XX20 11 7E 30 30 32 30 20 31 31 0D Cinema ~XX20 5 7E 30 30 32 30 20 35 0D User ~XX20 9 7E 30 30 32 30 20 39 0D 3D ------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------- ---------------------------------- ~XX21 n 7E 30 30 32 31 20 a 0D Brightness n = 0 (a=30) ~ 100 (a=31 30 30) ~XX22 n 7E 30 30 32 32 20 a 0D Contrast n = 0 (a=30) ~ 100 (a=31 30 30) ~XX23 n 7E 30 30 32 33 20 a 0D Sharpness n = 0 (a=30) ~ 31 (a=33 31) ------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------- ~XX24 n 7E 30 30 32 34 20 a 0D Color Settings Red Gain n = -50 (a=2D 35 30) ~ 50 (a=35 30) ~XX25 n 7E 30 30 32 35 20 a 0D Green Gain n = -50 (a=2D 35 30) ~ 50 (a=35 30) ~XX26 n 7E 30 30 32 36 20 a 0D Blue Gain n = -50 (a=2D 35 30) ~ 50 (a=35 30) ~XX27 n 7E 30 30 32 37 20 a 0D Red Bias n = -50 (a=2D 35 30) ~ 50 (a=35 30) ~XX28 n 7E 30 30 32 38 20 a 0D Green Bias n = -50 (a=2D 35 30) ~ 50 (a=35 30) ~XX29 n 7E 30 30 32 39 20 a 0D Blue Bias n = -50 (a=2D 35 30) ~ 50 (a=35 30) ~XX33 1 7E 30 30 33 33 20 31 0D Reset ------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------- ---------------------------------- ~XX34 n 7E 30 30 33 34 20 a 0D BrilliantColor TM n = 0 (a=30) ~ 10 (a=31 30) ~XX35 1 7E 30 30 33 35 20 31 0D Degamma Film ~XX35 2 7E 30 30 33 35 20 32 0D Video ~XX35 3 7E 30 30 33 35 20 33 0D Graphics ~XX35 4 7E 30 30 33 35 20 34 0D Standard ~XX36 1 7E 30 30 33 36 20 31 0D Color Temp. Warm ~XX36 2 7E 30 30 33 36 20 32 0D Medium ~XX36 3 7E 30 30 33 36 20 33 0D Cold ------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------- ---------------------------------- ~XX37 1 7E 30 30 33 37 20 31 0D Color Space Auto ~XX37 2 7E 30 30 33 37 20 32 0D RGB ~XX37 3 7E 30 30 33 37 20 33 0D YUV ------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------- ---------------------------------- ~XX44 n 7E 30 30 34 34 20 a 0D Color (Saturation) n = 0 (a=30) ~ 100 (a=31 30 30) ~XX45 n 7E 30 30 34 35 20 a 0D Tint (Hue) n = 0 (a=30) ~ 100 (a=31 30 30) ------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------- ---------------------------------- XX=00-99, projector's ID, XX=00 is for all projectors
50
English
Appendices
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~XX60 1 7E 30 30 36 30 20 31 0D Format 4:3
~XX60 2 7E 30 30 36 30 20 32 0D 16:9-l (for ES523ST) / 16:9 (for EW533ST)
~XX60 3 7E 30 30 36 30 20 33 0D 16:9-ll (for ES523ST) / 16:10 (for EW533ST)
~XX60 6 7E 30 30 36 30 20 36 0D Native
~XX60 7 7E 30 30 36 30 20 37 0D Auto
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~XX61 n 7E 30 30 36 31 20 a 0D EdgeMask n = 0 (a=30) ~ 5 (a=31 30)
~XX62 n 7E 30 30 36 32 20 a 0D Overscan n = -10 (a=2D 31 30) ~ 40 (a=34 30)
~XX64 n 7E 30 30 36 34 20 a 0D V Image Shift n = -50 (a=2D 35 30) ~ +50 (a=35 30)
~XX66 n 7E 30 30 36 36 20 a 0D V Keystone n = -40 (a=2D 34 30) ~ 40 (a=34 30)
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~XX230 3 7E 30 30 32 33 30 20 31 0D 3D Mode Nvidia 3D Vision
~XX230 1 7E 30 30 32 33 30 20 31 0D 3D Mode DLP-Link
~XX230 0 7E 30 30 32 33 30 20 30 0D 3D Mode Off
~XX231 1 7E 30 30 32 33 31 20 31 0D 3D Sync Invert On
~XX231 0 7E 30 30 32 33 31 20 30 0D 3D Sync Invert Off
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~XX70 1 7E 30 30 37 30 20 31 0D Language English
~XX70 2 7E 30 30 37 30 20 32 0D German
~XX70 3 7E 30 30 37 30 20 33 0D French
~XX70 4 7E 30 30 37 30 20 34 0D Italian
~XX70 5 7E 30 30 37 30 20 35 0D Spanish
~XX70 6 7E 30 30 37 30 20 36 0D Portuguese
~XX70 7 7E 30 30 37 30 20 37 0D Polish
~XX70 8 7E 30 30 37 30 20 38 0D Dutch
~XX70 9 7E 30 30 37 30 20 39 0D Swedish
~XX70 10 7E 30 30 37 30 20 31 30 0D Norwegian/Danish
~XX70 12 7E 30 30 37 30 20 31 32 0D Greek
~XX70 13 7E 30 30 37 30 20 31 33 0D Traditional Chinese
~XX70 14 7E 30 30 37 30 20 31 34 0D Simplified Chinese
~XX70 15 7E 30 30 37 30 20 31 35 0D Japanese
~XX70 16 7E 30 30 37 30 20 31 36 0D Korean
~XX70 17 7E 30 30 37 30 20 31 37 0D Russian
~XX70 18 7E 30 30 37 30 20 31 38 0D Hungarian
~XX70 19 7E 30 30 37 30 20 31 39 0D Czechoslovak
~XX70 20 7E 30 30 37 30 20 32 30 0D Arabic
~XX70 22 7E 30 30 37 30 20 32 32 0D Turkish
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~XX71 1 7E 30 30 37 31 20 31 0D Projection Front-Desktop
~XX71 2 7E 30 30 37 31 20 32 0D Rear-Desktop
~XX71 3 7E 30 30 37 31 20 33 0D Front-Ceiling
~XX71 4 7E 30 30 37 31 20 34 0D Rear-Ceiling
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~XX72 1 7E 30 30 37 32 20 31 0D Menu Location Top Left
~XX72 2 7E 30 30 37 32 20 32 0D Top Right
~XX72 3 7E 30 30 37 32 20 33 0D Centre
~XX72 4 7E 30 30 37 32 20 34 0D Bottom Left
~XX72 5 7E 30 30 37 32 20 35 0D Bottom Right
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~XX91 n 7E 30 30 39 31 20 a 0D Signal Automatic n=0 disable; n=1 enable
~XX73 n 7E 30 30 37 33 20 a 0D Frequency n = -5 (a=2D 35) ~ 5 (a=35) By signal
~XX74 n 7E 30 30 37 34 20 a 0D Phase n = 0 (a=30) ~ 31 (a=33 31) By signal
~XX75 n 7E 30 30 37 35 20 a 0D H. Position n = -5 (a=2D 35) ~ 5 (a=35) By timing
~XX76 n 7E 30 30 37 36 20 a 0D V. Position n = -5 (a=2D 35) ~ 5 (a=35) By timing
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~XX77 n 7E 30 30 37 37 20 aabbcc 0D Security Security Timer Month/Day/Hour n = mm/dd/hh
mm = 00 (aa=30 30) ~ 12 (aa=31 32)
dd = 00 (bb=30 30) ~ 30 (bb=33 30)
hh = 00 (cc=30 30) ~ 24 (cc=32 34)
~XX78 1 7E 30 30 37 38 20 31 0D Security Settings Enable
~XX78 2 7E 30 30 37 38 20 32 0D Disable
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~XX79 n 7E 30 30 37 39 20 a 0D Projector ID n = 00 (a=30 30) ~ 99 (a=39 39)
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~XX80 1 7E 30 30 38 30 20 31 0D Mute On
~XX80 0 7E 30 30 38 30 20 30 0D Off (0/2 for backward compatible)
~XX81 n 7E 30 30 38 31 20 a 0D Volume n = 0 (a=30) ~ 10 (a=31 30)
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~XX100 1 7E 30 30 31 30 30 20 31 0D Source Lock On
~XX100 0 7E 30 30 31 30 30 20 30 0D Off (0/2 for backward compatible)
~XX100 3 7E 30 30 31 30 30 20 33 0D Next Source
~XX101 1 7E 30 30 31 30 31 20 31 0D High Altitude On
~XX101 0 7E 30 30 31 30 31 20 30 0D Off (0/2 for backward compatible)
~XX102 1 7E 30 30 31 30 32 20 31 0D Information Hide On
~XX102 0 7E 30 30 31 30 32 20 30 0D Off (0/2 for backward compatible)
~XX103 1 7E 30 30 31 30 33 20 31 0D Keypad Lock On
~XX103 0 7E 30 30 31 30 33 20 30 0D Off (0/2 for backward compatible)
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~XX104 1 7E 30 30 31 30 34 20 31 0D Background Color Blue
~XX104 2 7E 30 30 31 30 34 20 32 0D Black
~XX104 3 7E 30 30 31 30 34 20 33 0D Red
~XX104 4 7E 30 30 31 30 34 20 34 0D Green
~XX104 5 7E 30 30 31 30 34 20 35 0D White
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