RCF UP 4061 Instructions D'installation Et D'emploi page 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.
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improving our products, we reserve the right to make any aesthetic or functional modi cations at any time and without prior notice.
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2) Locate the " J1" jumper situated inside the unit on
3) Move the " J1" jumper from position A to position
4) Re- t the cover.
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
the INPUT BOARD (Fig. 16, pag. 47).
B (Fig. 16) to short circuit the middle terminal
with the other side terminal.
POSITION: A
(default)
"Stand-by" mode
J1 JUMPER
not enabled.
Table for Figure 16
FUNCTION
POSITION: B
"Stand-by" mode
enabled.