<JLIP technical information> jlip

VCR command
Major VCR command is below.
They are used in 11 bytes included ID number of controlled device and check sum data.
Parameters that is shown as 'xx' in the table and return data of each command are specified in the explanation under the table.
  
command 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th return param
Stop 0xff 0xff (ID) 0x08 0x44 0x60 0x00 0x00 0x00 0x00 (sum) #1  
FF 0xff 0xff (ID) 0x08 0x44 0x75 0x00 0x00 0x00 0x00 (sum) #1  
REW 0xff 0xff (ID) 0x08 0x44 0x65 0x00 0x00 0x00 0x00 (sum) #1  
Play 0xff 0xff (ID) 0x08 0x43 0x75 0x00 0x00 0x00 0x00 (sum) #1  
Pause 0xff 0xff (ID) 0x08 0x43 0x6d 0x00 0x00 0x00 0x00 (sum) #1  
Fast play fwd 0xff 0xff (ID) 0x08 0x43 0x21 0x00 0x00 0x00 0x00 (sum) #1  
Fast play bwd 0xff 0xff (ID) 0x08 0x43 0x25 0x00 0x00 0x00 0x00 (sum) #1  
Slow play fwd 0xff 0xff (ID) 0x08 0x43 0x20 0x00 0x00 0x00 0x00 (sum) #1  
Slow play bwd 0xff 0xff (ID) 0x08 0x43 0x24 0x00 0x00 0x00 0x00 (sum) #1  
Rec 0xff 0xff (ID) 0x08 0x42 0x70 0x00 0x00 0x00 0x00 (sum) #1  
Rec pause 0xff 0xff (ID) 0x08 0x42 0x6d 0x00 0x00 0x00 0x00 (sum) #1  
Eject 0xff 0xff (ID) 0x08 0x41 0x60 0x00 0x00 0x00 0x00 (sum) #1  
Input select 0xff 0xff (ID) 0x08 0x59 xx xx 0x7f 0x00 0x00 (sum)   *1
Counter reset 0xff 0xff (ID) 0x48 0x4d 0x20 0x00 0x00 0x00 0x00 (sum)    
Rec speed set 0xff 0xff (ID) 0x48 0x42 xx 0x00 0x00 0x00 0x00 (sum)   *2
Rec mode set 0xff 0xff (ID) 0x48 0x43 xx 0x00 0x00 0x00 0x00 (sum)   *3
VTR mode req. 0xff 0xff (ID) 0x08 0x4e 0x20 0x00 0x00 0x00 0x00 (sum) #1  
Play speed req. 0xff 0xff (ID) 0x48 0x4e 0x20 0x00 0x00 0x00 0x00 (sum) #2  
Input select req. 0xff 0xff (ID) 0x08 0x58 0x20 0x00 0x00 0x00 0x00 (sum) #3  
  
Parameters
(There are not available data in some device.)
*1: Set the same data to 6th parameter and 7th as the data of example below for selecting 
a record source.
0x10: terestrial broadcast, 0x15: broadcast satellite, 0x3c(0x3d,0x3e): AUX IN
*2: Recording speed is set by the paramerer below.
0x20: SP(STD), 0x21: LP(LS2), 0x22: EP(LS3), 0x24: SEP(LS5), 0x26: (LS7), 0x30: (HS)
*3: Recording mode is set by the paramerer below.
0x20: normal VHS, 0x21: S-VHS, 0x22: D-VHS
 
The details of parameters of these commands in some major devices are here .
 
Return data
(Detail is stated in a separate document.)
#1: The return data of this command is called as 'Standard VCR return data' that is included
informations like a VCR operation mode or tape counter value.
#2: The return data of this command includes an information of playback speed of VCR.
And this value is available only in playback.
#3: The return data of this command includes an information of selection of record 
input source.
 

 

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