BenutzerhandbuchInhaltsverzeichnisIntroduction6Disclaimer6Scope6Feedback6Set-top box Front Panel Shortcut Keys7Table 1: Shortcut Keys Combinations7Table 2: Supported Shortcut Keys7Data Port Connectors8Low-Speed Data Port Connector8Table 3: Type of Data Port Connector8Low-Speed Data Port Interface9Figure 1. Low-Speed Data Port Pin Assignment Diagram9Figure 2. Orientation of the RJ22 (4 way/4 position) Jack9Low-Speed Electrical Performance and Characteristics10Bit Timing (Start, –D0 TO –D7, and Stop)10Idle Interval, General10Idle Interval for Non-Empty STB Buffer10Figure 3. Bit Timing Diagram10Table 4: Timing Characteristics10Low-Speed Input Characteristics11Input Signaling Characteristics (Pin 3)11Low-Speed Output Characteristics11Output Drive Characteristics (Pin 2)11Passive Outputs (Pins 1, 6, 8, and 9) (Optional)11Table 5: Input Drive Characteristics11Table 6: Output Drive Characteristics11Low-Speed Signaling Conventions12USB 2.0 Data Ports12Table 7: Passive Drive Characteristics12Table 8: Low-Speed Data Port Signaling Conventions12Data Port Commands13Summary of Useful Data Port Commands13Default Data Rate and Format13Command Protocol14Figure 4. Service Command Parser Flowchart15STB Command Prefix16STB Responses16Data Port Command Details17Standby (0x81)17Active (0x82)17GetPrimaryStatus (0x83)18GetCommandVersion (0x84)20GetCurrentChannel (0x87)20GetSignalQuality (0x90)21GetCurrentTime (0x91)21GetUserCommand (0x92)22EnableUserEntry (0x93)23DisableUserEntry (0x94)24GetReturnValue (0x95)24Reboot (0x96)24SendUserCommand (0xA5)25OpenUserChannel (0xA6)27Remote Control29Introduction29Figure 5: DIRECTV Universal Remote30Remote Control Key Codes31Target Device Mode Mapping33Brand Setup Code List33Table 9: Remote Control Device Mapping33Table 10: DIRECTV STB Device Codes33Table 11 Setup Codes for Audio Amplifiers (A)33Table 12 Setup Codes for Audio Amp/Tuners (R)34Table 13 Setup Codes for Satellite Receivers (S)37Table 14 Setup Codes for TVs (T)37Table 15 Setup Codes for VCRs (V)42Table 16 Setup Codes for Digital Video Disks (Y)45Appendix A: Acronyms48Größe: 279 KBSeiten: 49Language: EnglishHandbuch öffnen