Proel AUP4150 - Manuale (Pagina 17)

Thank you for choosing one of Proel products, and for your confidence towards
our brand, synonymous of professionalism, accuracy, high quality and reliability.
All our products are CE approved and designed for continuous use in
professional installation systems.
2. Description
AUP4150 and AUP4250R have been designed specifically for
announcement, music diffusion and sound reinforcement in all PA systems
applications.
• The characteristics of each booster of these AUP power unit series
are as follows:
• One signal input balanced with XLR connector .
• 5 outputs : 2 outputs at constant impedance 4/8 ohm and 3 outputs
at constant voltage (25 – 70 – 100 V).
• Led indicator for Overload level.
• One input for Telephone call with VOX priority.
• Low , high and master tone control.
• PA-HF filter to be rear inserted
• Power supply selector (117 – 230 Vca).
3. FUNCTIONS AND CONTROL
(1) Volume control
Such knob is used for output volume control .
(2) Led and clipping level indicator .
Indicates the output signal level. For a correct amplifier use, the
volume level must be adjusted within the level shown when green
LED ON “SIG” . If the volume level activated LED RED “CLIP” the
output signal is distorted and the volume level should reduced
(3) Led for overload indication
Such led is on when the system is in auto-protection status
(4) Switch ON
(5) TONE
control
Tones control operates +/-10 dB for low and high frequencies range
and makes possible a correct equalization of the reproduced signal