User Manual
DEM 30 IEM
420120320Q REV.1.1
FIRST TURN ON 
On the receiver (DEM 30R):
•  Open the D EDWWHU\FRYHUDQGLQVHUWWKHVXSSOLHG
batteries
•  Insert the earphones connector in the A VRFNHW
•  7XUQFORFNZLVHWKHBSRZHUVZLWFKYROXPHFRQWURO
On the transmitter (DEM 30T):
•  Insert and rotate the antenna 14 as shown in the below 
picture 
•  &RQQHFWWKHPL[HURXWSXWVWRWKH$)$)LQSXW
FRQQHFWRUV10-11RIWKHWUDQVPLWWHU
•  3OXJWKHSRZHUVXSSO\LQWKHVRFNHW9.
•  Push the “ON” 8EXWWRQIRUDERXWVHFRQGV
•  8VHWKHIXQFWLRQp6(7qEXWWRQ4 to adjust the transmit-
ter parameter, using the buttons 6 and 7WRLQFUHDVH
decrease the values
MAIN SCREENS FUNCTIONS 
U - $)OHYHOVVWHUHRPRQR
V - *5283&+$11(/QXPEHU
W -67(5(20212PRGH
X - %$77(5<&+$5*(/(9(/
Y - 6,*1$/5(&(37,21/(9(/
=)81&7,216(/(&7,21667(5(2721(/,0,7(50,;
B
C
D
A
TRANSMITTER
RECEIVER
U
V
U
V
W
X
Y
$PP0,1,-$&.&211(&725
%32:(56:,7&+92/80(
&83'2:1
'%$77(5<&29(5
Z
420120320Q REV.1.1
DEM 30 IEM
Thank you for choosing a dBTechnologies Product!
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0+]6RPHXVHIXOSDUDPHWHUVIRUH[DPSOH(4SUHVHWVFDQEHGLUHFWO\FKRRVHQRQWKHUHFHLYHU7KH
included earphones complete the set, together with interchangeable ear pads.
1 2
3
4
7
5
9 11
6 8
1.  3+21(6&211(&725
2.  HEADPHONE LEVEL
3.  INPUT LEVEL
4.  SET BUTTON
 DISPLAY
 DOWN BUTTON
7.  UP BUTTON
 POWER BUTTON
9.  32:(562&.(7
10.  &$%/(/22.(5
11.  &20%2$),1387
12.  &20%2$),1387
13.  3$'6(/(&725G%
14.  ANTENNA
PACKAGE CONTENT 
•  DEM 30T transmitter
•  $QWHQQDZLWK%1&FRQQHFWRU
•  DEM 30R receiver 
•  Power adapter
•  DEM 30E earphones with interchangeable ear pads 
•  Batteries
•  [qUDFNPRXQWLQJNLW
•  7KLVTXLFNVWDUWHZDUUDQW\GRFXPHQWDWLRQ
DEM 30T (TRANSMITTER) 
FRONT 
REAR
12 13
14
10
1 2 3 4
5
6
7
8
10
9
11 12 13 14


