Protocol Specs

Ver 1.00

Date : Oct.10.2003 12 page of 33

1.9 Command specification

• When this unit is set to be compatible with all commands and fails to accept a command

( due to a communication error, for example ) , it returns NAK ( 15h ) as an answer.

1.9.1 Power ON

This requests a power-on from the standby state.

byte \ bit

7 6 5 4 3 2 1 0

0 STX ( 02h )

1 Command code ( ' SP ')

2 Reserve ( 00h )

3 Reserve ( 00h )

4 Reserve ( 00h )

5 Reserve ( 00h )

6 ETX ( 03h )

7 BCCH ( high-level )

8 BCCL ( low-level )

Answers returned

byte \ bit

7 6 5 4 3 2 1 0

0 STX ( 02h )

1 Reply code ( ' SP ')

2 Answer code

3~16

Master player type

“DENON DVD-3900” (ASCII CODE)

17 ETX ( 03h )

18 BCCH ( high-level )

19 BCCL ( low-level )

Special condition

• When power condition is “STANDBY”, can accept “OPEN /CLOSE KEY”, “PLAY KEY”,

and “POWER ON KEY” on the front panel and on the IR remote controller.