ID-AL EventPlayer mkII EP220 User Manual page 32

Audio and dmx player
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ID-AL - EventPlayer mkII - Audio and DMX player - User manual
Example of the full frame: 81 02 01
Octet 1 : 81h - 10000001b : status byte, player 001
Octet 2 : 02h - 00000001b : player's transport command
Octet 3 : 01h - 00000001b : playback command
03h - 00000011b : Volume control command
l
The value of the volume is defined by the datas byte as follows:
00h - 00000000b : mute - volume at 0
10h - 00010000b : half volume - value 50
1Fh - 00011111b : maximum volume - value 100
Note : the others values are ignored
Example of the full frame : 81 03 0E
Byte1 : 81h - 10000001b : status byte, plater number 001
Byte2 : 03h - 00000011b : volume command
Byte3 : 0Eh - 00001110b : volume setting at 14
9.2 - Transmission Protocol - Monitoring
The EventPlayer mkIII can send several kind of data onto RS-232 port.
- Personalised data sent by tags [RSxxx] (see chapter «naming of files and folders»)
- Command datas of the player sent in «Daisy Chain» mode
- Status data of the player sent in mode «monitoring» and «advanced monitoring»
To define the kind of sent datas through RS232, 4 monitoring modes exist.
The monitoring mode is defined in the LCD menu
The «Daisy Chain» mode and the monitoring mode are added up with the sending information mode
through tags [RSxxx].
Mode 0: no monitoring mode
Only the data sent through tags [RSxxx] are sent to TX output.
Mode 1: «Daisy Chain»
In this mode, any information received on the Rx line is resent out as received onto the line Tx.
This mode allows to chain up several players the ones after to the others. By connecting Tx output of the
first player to the Rx input of the second player and so on , the information received by the first player on
its Rx socket is resent to the others players in chain. Caution ! if numerous players are connected in this
way, a slight delay can exist on the end of the chain.
Player 1
Player 2
Tx
Rx
Rx
Tx
To another system
RS-232 link
From controler
- 30 -
® Waves System
V 1.0 - 2018

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