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User Manual
Rev. 1.2- 24/01/11
PTX-DDS
5.1.2 Mains power supply
WARNING: Disconnect mains power supply before beginning these
procedures.
The mains power supply protection fuse is conveniently located on the rear panel
and are easily accessed (see figure 6.2): to check or replace a fuse,
disconnect
machine from power mains
, unscrew fuse cover and pull fuse out of socket.
The following fuse is used:
@ 115 Vac/230 Vac
Main Power Supply
(fig. 6.2 – item [15])
(1x) 6.3AT type 5x20
Table 5.1:
Fuse
5.1.3 Connections
Connect a suitable dummy load with suitable dissipation power, or antenna, or the
input of final amplifier (for instance, PJ1000-LIGHT exciter available from R.V.R.
Elettronica) to the RF output (see figure 6.2 - item [3]) using a 50-Ohm coaxial
cable with “N”-type connectors.
Note:
When you connect the
PTX-DDS
to other devices, it is necessary to strictly
follow the instructions given by the resepective manufacturers, to avoid damages
or danger situations.
WARNING: Electric shock hazard. Never handle the RF output connector
when the machine is powered on and no load is connected. Injury or death
may result.
Ensure that the
POWER
switch on the front panel (see figure 6.1 - item [7]), and
the switch on the rear panel are set to (see figure 6.2 - item [1]) “
OFF
”.
Connect the mains power cable to the MAINS terminal board on the rear panel
(see figure 6.2 - item [1]).
Note :
The mains must be equipped with adequate ground connection properly
connected to the machine. This is a pre-requisite for ensuring operator safety and
correct operation.
Connect your source audio (for example the mixer or STL output) to the suitable
input connector. The PTX-DDS offers a number of input choices, L+R, MPX or
even digital; see the connectors description for details.