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7. How to set the system DELAY TIME
From the DPPM panel you can modify the DELAY TIME
of a single POSEIDON enclosure (or a group of
enclosures when they are connected thru RS485).
- Select the VOLUME menu with the SEL button and
PRESS & HOLD the ENTER button: the current DELAY
TIME will flash on the display (0 in the default condition).
- Use the UP & DOWN buttons to set the DELAY TIME.
The range is from 0 to 99 and each step is equal to 1
meter (at the ambient temperature of 20°C).
8. How to set the system ID number
- Select the COM menu with the SEL button: the display
will show the current ID number of the unit (1 in the
default condition).
- Use the UP & DOWN buttons to select the ID number.
NOTE 1: the ID number must be properly set when
several POSEIDON systems are connected to a PC
for the remote control.
NOTE 2: for a correct identification of all the units
connected to a PC each of them MUST HAVE AN ID
NUMBER DIFFERENT FROM ALL THE OTHERS. If
two or more units have the same ID number, they
won’t be recognize by the PC.
8. Remote control
1. Connection to the PC (fig. 8)
The POSEIDON enclosures can be connected to a PC
for the remote control of the digital processor’s
parameters. The connection to the PC has to be done
in the following way.
- Connect the FIRST POSEIDON SYSTEM to the PC’s
RS232 serial port, using a 9-pin female plug connected
to the RS232 socket on the DPPM module panel.
NOTE: the direct connection from the PC’s RS232
socket to the DPPM module’s RS232 socket can be
made only if the cable length is not more than 5
meters. With longer cables a correct data
transmission is not guaranteed and, in this case, we
strongly suggest to use the LEM RS KIT.
- The FOLLOWING UNITS have to be connected to the
first one using the RS485 IN and RS485 OUT sockets
on the DPPM module panel. You can use standard
balanced cables with XLR connectors and there’s no
limitation for the cable length. The maximum number
of units that can be connected to the same PC is 32.
- If the first unit is placed at a distance to the PC that
exceeds 5 meters, the LEM RS KIT accessory has to
be used. This accessory includes two RSC SERIAL
CONVERTERS with external PSU, two RS232 9-pin
serial cables (1.5 mt.) and a RS485 serial cable with
5-pin XLR connectors. Once the first POSEIDON unit
has been connected, the following ones can be
connected using the RS485 3-pin sockets on the DPPM
panel.
NOTE: to allow the proper connection of all the units
of the serial network, the FIRST UNIT connected to
the PC thru RS232 must be switched ON and
working, otherwise none of the other units can be
controlled by the PC.
IMPORTANT!!!
To allow all the connected units to be properly
identified by the PC, each unit must have an ID
NUMBER DIFFERENT FROM ALL THE OTHERS. If
two or more units have the same ID number, they
won’t be recognize by the PC.
2. DX EDITOR
The remote control of the POSEIDON systems can be
done using the DX EDITOR Windows software. This
program, easy to install and to use, allows the remote
control of all the INPUT parameters (volume, MUTE, 5
EQ filters, master delay) and of the four PLUGINS
available.
The DX EDITOR software can be freely downloaded
from the LEM website (www.lemaudio.com) and
installed in your PC with WINDOWS 95/98/ME/2000/XP
as operative system.
3. Basic operations for the remote control
- Connect the PC to the POSEIDON systems thru the
serial port as described in the previous paragraph.
- Run the DX EDITOR program selecting the icon in the
Windows PROGRAM menu.
- Select NEW from the FILE menu.
- If you want to create a system on the PC before
connect it to the serial network, select NEW UNIT. In
the appearing window type down a name for the unit
you are creating (optional), select the ID number
corresponding to that one selected from the unit panel
and select the right model. Press OK and a window
corresponding to the created unit will open up with the
model name and the unit block diagram. If you want to
add other units select NEW UNIT from the ACTION
menu.
- Once a complete system has been created, choosing
ONLINE from the ACTION menu the PC will scan the
serial port to verify that the created units are actually
connected. In the NETWORK SCAN window a list of
all the created unit will appear, together with the status
of each of them (CONNECTED or NOT CONNECTED).
Pressing OK all the parameters set in each window
together with all the FACTORY and USER PRESETS
will be DOWNLOADED to the corresponding
POSEIDON enclosures. In the windows of the
connected units the ONLINE icon will appear, while in
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