User guide
Composer Pro User Guide
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Saved: 4/14/2011 4:10:00 PM
200-00005 Composer Pro
User Guide Part 2
Page 36 of 179
• Data Bits—Use the drop-down menu to select (5, 6, 7, 8 – default).
• Flow Control—The control of the transfer of data to avoid congestion. Options: None -
default, Xon/Xoff, Hardware.
• Stop Bits—Options: 1-default, 1.5, 2.
• Parity—Process for detecting whether bits of data have been altered during transmission of
data. A parity bit is appended to an array of bits to make the sum of all the bits always odd or
always even for error detection. Options: None – default, Even, Odd, Mark, Space.
8. For the InFocus LP850 Projector, use the following settings:
• Baud Rate: 19200
• Data Bits: 8
• Flow Control: None
• Stop Bits: 1
• Parity: None
9. Click next.
Define the Audio Parameters
Example: Projectors do not have audio, so do not check anything.
10. Click next.
11. Fill out the device properties for the driver you are creating. Properties are features that vary
between the different models of the same device type. For example, some Televisions have
discrete power control and some only offer toggle power on/off. You must define in the driver
you’re creating the features supported in the model.
12. For the InFocus LP850 Projector driver, check Discrete Input Selection.
13. Click next.
Indicate How the Power Is Handled
14. For the InFocus LP850 Projector driver, select Use discrete on/off codes. For more information
about power management options, see “Guidelines for Defining Power Management.”
15. Click next.
Choose the Appropriate Codes
16. For the InFocus LP850 Projector driver, de-select the following commands:
• Cancel
• Channel Down
• Channel Up
• Enter
• Info
• Number 0 through 9
17. Click Add to enter any custom commands.
18. Add the following options:
• Aspect Ratio: 16:9
• Aspect Ratio: 4:3










