9
ENGLISH
WARNING:
The operations described in this section are intended exclusively RCF S.p.A.
SERVICE CENTERS. The following information DOES NOT CONCERN THE USER, who may
omit reading.
Before carrying out the operations described in this section, the power-supply
must be disconnected from the direct-current power source.
Voltage selector is under a cover on the bottom of the device. Pls remove screw and select
right voltage according to the AC mains.
The MAIN CHART (found inside the preamplifier) shows the jumpers that the selection
of some of the equipment’s operating modes. The function of each jumper is given in the
following table.
SECTION RESERVED
FOR RCF SERVICE
CENTERS
NAME
“ON” POSITION
(jumper short-circuited)
“OFF” POSITION
(jumper open)
JP 1
CHIME MUTE ON
THE WARNING SIGNAL
(“CHIME”) HAS PRIORITY ON
INPUTS 2÷9
THE WARNING SIGNAL DOES
NOT HAVE PRIORITY BUT IS
MIXED WITH ALL
JP 2
IN 1 MUTE
INPUT 1 HAS AUTOMATIC
PRIORITY IN THE PRESENCE OF A
SIGNAL (VOX)
INPUT 1 DOES NOT HAVE
AUTOMATIC PRIORITY (Note:
priority may, however, be
activated by means of a remote
contact connected to the
“priority” and “ground” clamps)
JP 3
IN 2 PHANTOM
PHANTOM FEED
AT INPUT 2
NO PHANTOM FEED
AT INPUT 2
JP 4
IN 3 PHANTOM
PHANTOM FEED
AT INPUT 3
NO PHANTOM FEED
AT INPUT 3
JP 5
IN 4-5 PHANTOM
PHANTOM FEED
AT INPUTS 4, 5
NO PHANTOM FEED
INPUTS 4, 5
JP 6
IN 6÷9 PHANTOM
PHANTOM FEED
AT INPUTS 6÷9
NO PHANTOM FEED
AT INPUT 6÷9
WARNING
FEED-VOLTAGE SELECTION
INTERNAL JUMPER CONFIGURATION