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19
10
19
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11b
11c
13
11a
16
17
15
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11b
11c
13
11a
16
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15
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20
12
12
9. Earth lift switch
In case hum and buzz appears when a line source has been connected, lifting the audio ground can
be a solution. Correct wiring can avoid this problem.
10. Mains socket
The unit can be connected to the mains circuit by a standard IEC type power cord. This socket
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it by the same type. When this fuse blows frequently you should check the speaker load or bring the
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11. Priority control connector
a. At these terminals (-/+) 24V DC will be available (max. 0,6A) from the moment the ‘priority switch’
has been activated, to activate priority relays of local volume attenuators or other devices.
In bridge mode only the channel 1 terminals can be used.
b. prior contact: when you shorten these contacts, the input of the priority line input will be activated.
At the same time 24 V DC will be presented to terminals 11a.
c. prior input: here you can feed the audio source for paging, emergency messages, etc.. The signal
should be at line level. Please use a balanced, shielded line cable. Connect the HOT signal to +, the
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12. Program input connector
Here you can feed the audio source for music playback (background music)
The signal should be at line level. Please use a balanced, shielded line cable. Connect the
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13. Speaker output connector. (2 channel operation mode)
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Don’t mix the types of speaker connections. Only one at the time should be used.
14. Emergency power supply.
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power supply.
REAR panel