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We would like to congratulate you on purchasing your new PROLOOP DCCplus induction loop amplifier. You
have chosen a product that skillfully combines appealing design with high technical performance.
This handbook describes exactly how the amplifier works and how it is to be used. Please read through the
operating instructions carefully before using the amplifier. We also reserve the right to make changes to incor-
porate new product developments at any time.
1. Overview of the connections and operating elements
4
5
14
15
115V
230V
1.1 Front panel
(1)
Level indicator for AGC/compression
(2)
Level indicator for induction loop current
(3)
Power supply indicator
(4)
Left bore for control cover
(5)
Input sensitivity control
(6)
Metal loss compensation control
(7)
Indicator "OVERLOAD"
(8)
Indicator for excessive heat "OVER HEAT"
(9)
Indicator "LOOP ERROR"
(10)
Loop current control
(11)
Right bore for control cover
(12)
Earphone jack
(13)
ON/OFF Switch
14 English
1
METAL
6
7
8 9
10 11
16
LOOP
17
1.2 Rear panel
(14)
(15)
(16)
(17)
(18)
(19)
(20)
2
12
18
19
Voltage selector
Power jack (115/230V / 50/60Hz)
Fan outlet
Screw terminal for loop connection
Priority input
Slave connection sockets
Audio inputs
3
13
20
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