Audio Pole PA 4-250 User Manual - Controls And Settings
4
1, 6, 11, 16 - SIG
Individual signal indicator. The intensity of the LEDs varies depending on the level of the input signal.
2, 7, 12, 17 - 4 Ω
Individual 4 Ω output indicator. See paragraph (29), (32), (37), (40).
3, 8, 13, 18 - 70V
Individual 70 V output indicator. See paragraph (29), (32), (37), (40).
4, 9, 14, 19 - 100V
Individual 100 V output indicator. See paragraph (29), (32), (37), (40).
5, 10, 15, 20 - PRO
Individual protection indicator.
PA 4-250 is equipped with a safety start function, muting the amplifier for a few seconds after the power is
switched on. This delay is visible through the Led which lights up then shuts off as soon as the amplifier
becomes operational.
If the led of one or more channels stays on after few seconds or if it illuminates during normal using of the
amplifier, it means that a problem has been detected. The channel concerned intersecting automatically to
protect amplification circuits and equipment connected to the device.
11 - POWER
Turn On / Off
Front Panel
Controls and Settings
3
PA 4-250
21
1
3
5
2
4
6
8
10
7
9
11 13 15
12 14
16 18 20
17 19