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Z E K T O R

Z E K T O R

2675 Danielson Ct

Suite 0

Poway, CA 206

5•7•250

www.zektor.com

Содержание CVS4

Страница 1: ...Z E K T O R Home Theater Switches Digital Video Component Video Multichannel Audio Rev 2 07 25 2006 High Definition Component Video Switch CVS4 Supplement to the CVS4 User Guide...

Страница 2: ...ttings 19 Control Settings HDS4 2 Version 20 Extended Control Settings 21 Checksums and CRC 8 s 24 Checksums and CRC 8 Checkcodes Defined 24 Differences between a Checksum and a CRC 8 Checkcode 24 Sou...

Страница 3: ...n this case the value defaults to the current setting leaving the value unchanged The K I S S Continued space before the comma is optional Most commands can be queried for their current settings by su...

Страница 4: ...wed before the and characters but NOT after them The checksum must immediately follow the character and a CRC 8 checkcode must immediately follow the character anything else including whitespace will...

Страница 5: ...R LF Notice that in the first example a checksum was not appended to the LI command When issuing a command the checksum and CRC 8 codes are sent on a command by command basis Anytime a checksum or a C...

Страница 6: ...ghout the com munication sequence First the LI CR command was issued by the controller While looking for an Acknowledgement or Error Response string an unsolicited Query Response is received indicatin...

Страница 7: ...Checkcode did not match the calculated one The command will be ingnored Error 5 The number of parameters given does not match the number allowed by this command Error 6 To prevent conflicts between th...

Страница 8: ...HDS4 2 there is no space after the command in the response string Note 3 For backward compatibility with the HDS4 2 this response string is sent in the Asyn chronous mode when a channel status has ch...

Страница 9: ...Where dim Current DIM level setting bright Current BRIGHT level settings The intensities range from 0 Off to 44 Maximum brightness Note For backward compatibility with the HDS4 2 there is no space af...

Страница 10: ...earn they are IR Cmd Description 1 Power Toggle 2 Select Input 1 3 Select Input 2 4 Select Input 3 5 Select Input 4 6 Discrete Power On 7 Discrete Power Off 8 Sequence Through Inputs Setting an ircmd...

Страница 11: ...ess of any possible setup state it might be in The 0 button code is also device independent It use and value does not change between Zek tor devices like the other codes may and most likely will Query...

Страница 12: ...ro keeps the CVS4 from responding to IR codes however the front panel sensor remains operational and any codes received can still be queried for by using the IR command Disabling the IR jack by settin...

Страница 13: ...al Value 128 64 32 16 8 4 2 1 Bit Position 7 6 5 4 3 2 1 0 Name CTL LMO IRC IRR BTN LIN SEL PWR Factory Settings 0 0 0 0 0 0 1 1 PWR 1 Power State has changed SEL 1 Selection Input Output Mapping has...

Страница 14: ...Checksum and a CRC 8 Checkcode A CRC is capable of finding many more and different types of errors than a checksum can A good description of its capability is described in the above referenced articl...

Страница 15: ...detection characteristics So x 8 x 6 x 3 x 2 1 101001101 14D hex Ignore X 8 01001101 4D hex Reverse bit order 10110010 B2 hex define CRC8_POLY 0xB2 polynomial mask define CRC8_INIT 0xFF initial value...

Страница 16: ...28 CVS4 Component Video Switch 29 CVS4 Component Video Switch This page left intentionaly nearly blank This page left intentionaly nearly blank...

Страница 17: ...Z E K T O R Z E K T O R 12675 Danielson Ct Suite 401 Poway CA 92064 858 748 8250 www zektor com...

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