rcf UP 4061 Manual De Uso Y De Instalación página 17

Section reserved to the
RCF S.p.A. Service Centre
WARNING: The operations described in
this section are for the exclusive use of
the RCF S.p.A. SERVICE CENTRE.
The information given here is OF NO
INTEREST TO THE USER , who need not read it.
Before carrying out the operations described in
this section, it is absolutely indispensable to
disconnect the power cable from the AC mains
(115/230 Vac).
Selecting the supply voltage
1) Move the voltage selector (24) (Fig. 1- pag. 42) to
the position corresponding to the desired value:
" 115V " or " 230V ".
2) Insert a fuse into the fuse-holder (22) (Fig.1 - pag.
42) having a suitable capacity for the supply
voltage selected , as indicated on the adhesive
label on the rear panel of the power ampli er.
Enabling "STAND-BY" mode
A jumper on the INPUT BOARD inside the power
ampli er is used for enabling "stand-by" mode.
1) Unscrew the 4 screws on the sides of the unit and
remove the cover.
Disclaimer
RCF S.p.A. applies a company policy based on constant research and development. With the aim of constantly
improving our products, we reserve the right to make any aesthetic or functional modi cations at any time and without prior notice.
RCF S.p.A.. All rights reserved. Printed in Italy.
2) Locate the " J1" jumper situated inside the unit on
the INPUT BOARD (Fig. 16, pag. 47).
3) Move the " J1" jumper from position A to position
B (Fig. 16) to short circuit the middle terminal
with the other side terminal.
4) Re- t the cover.
"Stand-by" mode
J1 JUMPER
Table for Figure 16
NOTE: When the "stand-by" mode is enabled, in order
to switch on the power ampli er it is necessary to
short circuit together the STAND-BY (ref. 18 - Fig. 1,
page 42) and GND (ref. 19 - Fig. 1) terminals
17
FUNCTION
POSITION: A POSITION: B
(default)
"Stand-by" mode
not enabled. enabled.