Australian Monitor DMA1 - Manual (Page 6)

D E S C R I P T I O N A N D C O N N E C T I O N S
PA G E 6 A M I S - D M A 1 I N S TA L L AT I O N & O P E R AT I O N M A N U A L
3.1 Command description
Connector for external connection of memory and command buttons
Flash memory slot for Secure Digital or MultiMedia Card
Command keys:
= (brief pressure) previous MP3 fi le / (prolonged pressure) reduce output volume
= STOP
= PLAY
= (brief pressure) next MP3 fi le / (prolonged pressure) increase output volume
Red LED: lit = device is on
Green LED: lit = MP3 fi le playing;
blinking = DMA1 in pause/STOP.
IMPORTANT!
• Volume control via the keys is only possible during the playing of an MP3 audio fi le
• Pressing STOP during playing causes the DMA1 to pause, until reactivation with
the PLAY key. This condition is indicated by the blinking green LED
PRE
IN
PRE
OUT
SPK
OUT
L R L R L R 1 2 3 4 5 6 7 8
LOGIC
INPUTS
12-24
VDC IN
E
ON
PLAY
VOLUME SD/MMC
MEMORY
R E M O T E
CONTROL
Digital Message Announcer
DMA1
1
2
3
4
5
1 2 3 4 5
6 7 8 9 10