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Connections and controls
1.
1.
1.
3
PLS-X5
In 1
In 2
In 3
Parametric MLC
-18
-6
0 +12 dB
100 500 1k 2k
2.
4.
11.
17.
19.
Out Pre
Amp
-
+
In Pow
+
+
C
Monitor
Amp
12.
13.
15.
18.
14.
16.
1. Input Level Control
2. Input Level LEDs
3. Parametric MLC Control
4. Parametric MLC Knee Point Switch
5. System Diagnostics Switch
6. Loop Current Control
7. Loop Current LEDs
8. Voltage Clipping/Peak LED
9. Loop Monitor Jack
10. Power LED
11. Loop Terminals
12. DC Supply Jack
13. Monitor Speaker Connector
14. Auxiliary DC Power Output
15. Remote Input Monitor Connector
6.
Loop current
Professional Loop System
Off
System Diagnostics
0
3
6
9 dB
Clip
Monitor
5.
7.
8. 9.
21.
25.
Input 3
Input 2
Input 1
L
PUSH
R
+ -
R
L
20.
22.
24.
26.
28.
23.
27.
16. Remote Output Monitor Connector
17. Monitor Volume Control
18. Input Power Amplifier (In Pow Amp)
19. Output Pre-amplifier (Out Pre Amp)+
20. Input 3 (Phoenix Screw Terminal/RCA)
21. Input 2 (Phoenix Screw Terminal)
22. Speech Enhancement DIL Switch
(Flat/Speech)
23. 50-100 V Line DIL Switch On/Off
24. Override DIL Switch On/Off (Input 3)
25. Input 1 (Balanced XLR)
26. Speech Enhancement DIL Switch
(Flat/Speech)
27. Line/Mic Sensitivity DIL Switch
28. Phantom Power On/Off
Installation
1. Place the loop driver in a suitable location. There are three placement options for
the PLS-X series drivers:
● In a 19" rack
● Hung on a vertical surface using the keyholes in the base of the unit
● On a flat level surface on the units rubber feet
Note
No ventilation space in the rack is required. When placed on flat surfaces the little space given
by the rubber feet is sufficient.
On
2. Connect the loop cable to the loop driver
using the Loop Terminals (11) as shown in figure.
10.
3. Connect the power supply, first to the loop
driver's DC Supply Jack (12) and then to the
wall outlet. The Blue 'power On' LED (10)
will illuminate.
4. Turn System Diagnostics (5) on by sliding the switch to the right. The Input Level
LEDs (2) will begin to blink.
5. Adjust the loop current. Depending on the adjusted current level, 1, 2, 3 or 4 out
put current LEDs will blink in unison.
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6. Set the current to achieve a field strength of the peaks to approximately -3 dB in
the center of the loop.
The system is functioning correctly and is ready for commissioning in accordance
with the IEC performance standard IEC 60118-4.
7. Turn System Diagnostics (5) off, by sliding the switch to the left.
Default Settings
Rear panel
Monitor Control; Set fully anti-clockwise (factory default)
Input 1
Flat/Speech; DOWN (= speech enhancement off)
Line/Mic; DOWN
Line/Mic; DOWN
Phantom/off; UP (= phantom power off)
Front panel
All level controls are set to minimum
(turned fully anti-clockwise).
System Diagnostic (5) = Off (switch in left position).
Parametric MLC (3,4)= 2 kHz (switch in right position).
1-turn loop
2-turn loop
Single turn Loop
2-turn Loop using
twin core cable
Input 2
Flat/Speech; DOWN (= speech enhancement off)
50-100V/off; UP
50-100V/off; UP
Override/off; UP (= override off)
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