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MV8300P

Technical Manual

of RS-232 Protocol and Commands

D-VHS Digital VCR

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Summary of Contents for MV8300P

Page 1: ...MV8300P Technical Manual of RS 232 Protocol and Commands D VHS Digital VCR ...

Page 2: ...have XON XOFF sequence If you have a opinion for the contents in this page jlipmaster skt jvc victor co jp Sorry for not accepting your personal technical question Page 1 of 1 JLIP control system developer 7 11 2003 http www jvc victor co jp english tech jlip techinfo_f techinfo_f1 serialset html MV8300P RS 232c Protocol Manual D M Professional Technical Support www marantzpro com www usa denon co...

Page 3: ...d operation from from slave device like VCR to master controller like PC It consists of the explanation below Header 2 bytes 0xFC 0xFF ID 1 byte one of number from 1 to 99 Return body 7 bytes result or information of command operation 3 Check sum 1 byte complement of the sum of other ten bytes of command frame data 4 3 refer to another document 4 maximum bit is always 0 method of calculation is be...

Page 4: ...device that has each different ID number is possible to select and control one Broadcast command ID number is normally set to one of number from 1 to 99 But if it is set to 127 then its command frame is for all slave device So 127 is called broadcact ID number and the command frame with it is called broadcast command If broadcast command is transmitted there is no response from any slave devices A...

Page 5: ...me received A master device should start to receive data of return frame from slave device immediately after transmitting commnad frame 1 It must be waited for 80ms after transmitting broadcast command 2 When some of multiple devices are connected to one serial port master device needs to wait for 80ms for stable receiving command by slave device You have better to program that waits 80ms after co...

Page 6: ... FFh FFh ID 08h 42h 6Dh 00h 00h 00h 00h sum 1 Eject FFh FFh ID 08h 41h 60h 00h 00h 00h 00h sum 1 Input select FFh FFh ID 08h 59h xxh xxh 7Fh 00h 00h sum 1 Counter reset FFh FFh ID 48h 4Dh 20h 00h 00h 00h 00h sum Rec speed set FFh FFh ID 48h 42h xxh 00h 00h 00h 00h sum 2 Rec mode set FFh FFh ID 48h 43h xxh 00h 00h 00h 00h sum 3 VTR mode req FFh FFh ID 08h 4Eh 20h 00h 00h 00h 00h sum 1 Play speed re...

Page 7: ...0h terrestrial broadcast also cable TV 40h broadcast satellite 2 Real channel means channel that is not a number displayed but a real number Some device for a part of region is available to use Preset channel select command only 6th 7th 8th ch UP 73h 00h 00h ch DOWN 63h 00h 00h ch direct set 71h xxh xxh 2 1 2 1 channel number 7th x 100 8th 3 Preset channenl means the channel number that is set by ...

Page 8: ...ll 11 bytes is important 2 The return data of these commands are same ones It includes an information of the state of power supply of device Specifically the minimum significant bit of 5th data of return data is one as the state of power is ON and it is zero as its state is OFF More of Power ON command Some device is got into a power saving state when you transmit Power ON command to it And it occ...

Page 9: ...y in the state of command performed before receiving command it regards the operation of the command as performed and the device returns the status data as 3 But some device return the status data as 5 at some command cmd status 4 It shows that the command is accepted and currently performing It shows that the command is not performed completely at present time So if it is received this value it n...

Page 10: ...ner 5th data Band infomation 30h Air terrestrilal broadcast 40h BS broadcast satellite 6th 7th 8th data channel number 6th 51h real channel channel number 7th x100 8th 6th 53h preset channel channel number non bank 7th x100 8th channel number by bank 8th bank number 1 to 10 7th 100 Standard VTR return data VTR VCR video cassette recorder 5th data VCR mode D5 1 Rec inhibited D5 0 Recordable D4 1 No...

Page 11: ...oadcast command means that it has ID number as 127 This operation should be performed at detecting any bad communication because of connecting cable or supplying power again It is strongly recommended that your software has this communication recovery operation If you have a opinion for the contents in this page jlipmaster skt jvc victor co jp Sorry for not accepting your personal technical questi...

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