<JLIP technical information> jlip

Parameters dependent on device in VCR commands

Details of parameters of some of VCR commands in some major devices are below.

Input select command
  F-1 L-1 L-2 iLINK Air BS
HM-DH40000U, MV8300 0x3d 0x3e 0x3f 0x3c 0x10 ----
HM-DHS1(JPN) 0x3d 0x3e 0x3f 0x3c 0x10 ----
HM-DH30000U 0x3d 0x3e 0x3f 0x3c 0x10 0x15

It should be given same parameters for both 6th data and 7th data in this command.
To select input source except external one, the source of inner tuner is automatically
selected by Real channel select command. with giving the channel number.
So, it is not necessarily to use this command by the parameter for selecting tuner
data like [0x10]:Air,CATV, or [0x15]:BS.
Rec mode select command
  VHS S-VHS D-VHS
HM-DH40000U, MV8300 0x20 0x21 0x22
HM-DHS1(JPN) 0x20 0x21 0x22
HM-DH30000U 0x20 0x21 0x22

It is given a parameter to 6th data in this command.
Record mode is decided by the parameter in this table.
Some parameters are not available in the kind of tape.
Rec speed select command

D-VHS tape inserted
  STD/SP LS3/EP LS5 LS7 HS
HM-DH40000U, MV8300 0x20 0x22 0x24 ---- 0x30
HM-DHS1(JPN) 0x20 0x22 0x24 ---- 0x30
HM-DH30000U 0x20 0x22 ---- ---- 0x30

S-VHS tape inserted
  STD/SP LS3/EP LS5   HS
HM-DH40000U, MV8300 0x20 0x22 0x24 ---- 0x30
HM-DHS1(JPN) 0x20 0x22 0x24 ---- 0x30
HM-DH30000U 0x20 0x22 ---- ---- 0x30

VHS tape inserted
  SP EP      
HM-DH40000U, MV8300 0x20 0x22 ---- ---- ----
HM-DHS1(JPN) 0x20 0x22 ---- ---- ----
HM-DH30000U 0x20 0x22 ---- ---- ----

It is given a parameter to 6th data in this command.
Record speed is decided by the parameter in this table.
Some parameters are not available in the kind of tape or device.

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