Front panel – RCF 8000 Series UP 8502 Power Amplifier (2 x 250 W) Manuale d'uso
Pagina 7

7
ENGLISH
FRONT
PANEL
1
STAND-BY
switch.
The STAND-BY switch is disabled (the amplifier stays on) if the secondary 48 V dc power
supply is present (batteries connected to the respective input
i
).
2
AC Mains Powered
LED: (when lit) the amplifier is operating through the mains
power supply (115 - 230 V ac).
3
DC PSU Powered
LED: (when lit) the amplifier is operating through batteries (48 V dc).
4
AC Mains Presence
LED: (when lit) the mains power supply (115 - 230 V ac) is detected.
5
DC PSU Presence
LED: (when lit) the 48 V dc power supply (by batteries) is detected.
6
Thermal
Protection LED: (when lit) the thermal protection is activated (the amplifier is muted).
7
Amplifier Disabled
LED: (when lit) the amplifier has been disabled by the ‘Amplifier
Disable’ command
t
.
8
Master Vol. OFF
LED: (when lit) all the MASTER volume controls
}
are disabled
(volumes depend on remote controls, see ‘Rem Vol’
r
).
9
Signal
LED: (when lit) the signal level is equal or higher than –20 dB.
UP 8502 and UP 8504: each LED indicates the signal level on the respective channel.
UP 8501 (1 x 500 W)
12
2
1
4
6
8
11
9
10
3
5
7
UP 8502 (2 x 250 W)
12b
12a
2
1
4
6
8
11
9
10
3
5
7
UP 8504 (4 x 125 W)
2
1
4
6
8
11
9
10
3
5
7
12b
12d
12a
12c