4D SYSTEMS

SOMO-II

© 2014 4D SYSTEMS

Page 7 of 17

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Function

Serial Command

Description

NEXT

7E 01 00 00 00 FF FF EF

If no track is currently playing, issuing the NEXT command will start

playing the first track copied to the media (see Section 6). If the

SOMO-II is currently playing a song or has previously played a song,

this will play the next song in the order copied on to the media.

PREVIOUS

7E 02 00 00 00 FF FE EF

If no track is currently playing, issuing the PREVIOUS command will

start playing the last track copied to the media (see Section 6). If the

SOMO-II is currently playing a song or has previously played a song,

this will play the previous song in the order copied on to the media.

SPECIFY

TRACK #

7E 03 00 00 01 FF FC EF

7E 03 00 00 02 FF FB EF

7E 03 00 00 0A FF F3 EF

Start playing the first track copied to the media. (See Section 6)

This will start playing the second track copied to the media.

This will start playing the tenth track copied to the media.

VOLUME +

7E 04 00 00 00 FF FC EF This will increase the volume by 1

VOLUME -

7E 05 00 00 00 FF FB EF This will decrease the volume by 1

VOLUME #

7E 06 00 00 1E FF DC EF

7E 06 00 00 05 FF F5 EF

This will set the volume to be 30 (30 is the Max)

This will set the volume to be 5

SPECIFY EQ

7E 07 00 00 01 FF F8 EF

7E 07 00 00 04 FF F5 EF

This will set the EQ to pop

This will set the EQ to classic

(0/1/2/3/4/5 Normal, Pop, Rock, Jazz, Classic, Bass)

REPEAT A

TRACK

7E 08 00 00 01 FF F7 EF

7E 08 00 00 02 FF F6 EF

7E 08 00 00 1F FF D9 EF

This will repeat the first track copied to the media. (See Section 6)

This will repeat the second track copied to the media.

This will repeat the thirty first track copied to the media.

PLAY SOURCE

7E 09 00 00 01 FF F6 EF

7E 09 00 00 02 FF F5 EF

This will set the SOMO-II to play from a USB Flash Drive

This will set the SOMO-II to play from a micro-SD Card

SLEEP

7E 0A 00 00 00 FF F6 EF

This will put the SOMO-II into a sleep state, which consumes low

power. To get the SOMO-II out of sleep, you need to use a PLAY

SOURCE command, followed by your next chosen command.

RESET

7E 0C 00 00 00 FF F4 EF This will reset the SOMO-II module, to be in its powered-on state

PLAY

7E 0D 00 00 00 FF F3 EF

Play the audio track selected (if selected) else the first track copied

on to the media (See Section 6)

PAUSE

7E 0E 00 00 00 FF F2 EF

Pause the current playing audio Track. If PLAY command is then

sent, the audio track will resume from where it was paused.

SPECIFY

FOLDER &

TRACK

7E 0F 00 01 01 FF EF EF

7E 0F 00 01 02 FF EE EF

7E 0F 00 05 09 FF E3 EF

This will start playing Track 1 from Folder 1. (See Section 6)

This will start playing Track 1 from Folder 2.

This will start playing Track 5 from Folder 9.

CONTINUOUS 7E 11 00 00 01 FF EE EF

This will enable continuous mode (disable RANDOM TRACK and

REPEAT CURRENT if previously enabled), which will play all songs on

the memory card, one after the other. Start track with PLAY.

STOP

7E 16 00 00 00 FF EA EF

Stop the current playing audio Track. If PLAY command is then sent,

the audio track will start from the beginning.

RANDOM

TRACK

7E 18 00 00 00 FF E8 EF

This will enable Random Mode (disable CONTINUOUS and REPEAT

CURRENT if previously enabled), which plays random tracks one

after the other, continuously. Start track with PLAY.

REPEAT

CURRENT

7E 19 00 00 00 FF E7 EF

This will enable the repeat play mode (disable CONTINUOUS and

RANDOM TRACK if previously enabled), which repeats the currently

playing track, so it will play over and over continuously. Track must

be playing before this command is sent.