Proel AUP4125S - Manuale (Pagina 20)

20
4. REAR PANEL FUNCTIONS AND CONTROLS
fig. 2
1. NETWORK POWER SUPPLY INPUT with fuse housing
Connect the unit to a 230Vac 50/60Hz network (117Vac 50/60Hz for US models)
FUSE
AUP125S:
220÷240 V~ 50/60Hz Fuse: T 6.3 AL AC 250V
110÷127 V~ 50/60Hz Fuse: T 12 AL AC 250V
AUP250S:
220÷240 V~ 50/60Hz Fuse: T 10 AL AC 250V
110÷127 V~ 50/60Hz Fuse: T 20 AL AC 250V
2. Input
Each channel has its own balanced line layer input.
3. Priority Input
Each channel has is own unbalanced priority line layer input.
Connect the unbalanced signal between the "+" terminals and "earth symbol".
The priority input has a VOX function that can be connected and disconnected by means of the relative PIN (Fig. 2,
Ref. 7):
VOX enabled – until the VOX circuit detects an audio signal on the input
“PRIORITY IN CH_” (Fig. 2, Ref. 3), the relative “CH_ INPUT” input will be automatically muted
and output will only have a priority signal.
VOX disabled – the signals on “PRIORITY IN CH_” and “CH_ INPUT” inputs will be mixed
on the relative output
“clean contact” ‐ The priority input also has a “clean contact” that forces muting
of the “CH_ INPUT” (Fig. 2, Ref. 2) input, leaving the “PRIORITY IN CH_” input active regardless
of the PIN settings of the DIP SWITCH (Fig. 2, Ref. 7).
The “CH_ INPUT” input will be muted as long as the clean contact remains closed. This
function is particularly useful with very weak “PRIORITY IN CH_” signals, which may cause
constant connections/disconnections of the VOX function, resulting in alternating output from