Lem Elettronica DSP40PRO User manual

WARRANTY YEARS
MODEL DSP40PRO
NUMBER OF INPUTS 61 FM; 1 AUX; 2 BIII-DAB/UHF; 2 UHF
INPUTS FREQUENCY RANGE MHz FM (40... 108 MHz)
AUX (40... 862MHz)
VHF (170... 240 MHz)
UHF 470... 694/790/862
SINGLE CHANNEL FILTERS 32
NUMBER OF CHANNEL PER FILTERS 1... 2
INPUT LEVEL RANGE dBµV FM 35... 90 - BIII/DAB 40... 110 - UHF... 40... 110
FM INPUT ATTENUATOR dB FM 0...-30
AUX ATTENUATOR dB 0... -20
BIII-DAB / UHF ATTENUATORS dB 0... -20
A.C.G. RANGE dB 40 dB
SELECTIVITY dB 35 @1MHz
INTERSTAGE ATT. (1 dB STEP ADJUST.) dB 0...-20
FM GAIN dB 45
AUX GAIN dB 40
VHF GAIN dB 40
UHF GAIN dB 50
MAX OUTPUT LEVEL dBμV 124 (IM3 DIN 45004B - 60 dBc)
RETURN LOSS IN/OUT dB >12
TEST OUTPUT 1 (-30 dB)
USB CONNECTOR USB 1.0 / 2.0 Type B
REMOTE POWER SUPPLY VHF-UHF 12V / 24V 100 mA
POWER SUPPLY 230 VAC +/-20% 16W Max (External power supplier DC 20 Volt 2,25A)
OPERATING TEMPERATURE C° -5... 50
DIMENSIONS mm 192 x 217 x 37
24 Digits LCD display
Additional AUX input
Auto-Tuning function
Maximum Output Level 124dBµV
Selectable Lte 4G/5G SAW filters
Up to 64 High Selectivity Filters with ACG
Converts up to 32 single channels
Zamak die casting chassis
DIGITAL SIGNAL PROCESSOR
DSP40PRO
High selectivity programmable compact headend
to digitally lter, convert and equalize DVB-T / T2
channels. The built in high output amplier allow the
use in medium and large installation plants.
LEM
GUI
AUTO
TUNING
Firmware rel. 1.3
Hardware rel. 1.0

• Do not expose the amplifier to extreme temperatures.
• Place the amplifier in a dry and well-aired location.
• Install the unit on a vertical wall, or in a waterproof cabinet to a minimum IP55
rating, and fix it safely using the special through holes supports.
Safety instructions
IMPORTANT!
Use only the power pack supplied together with the amplifier.
The use of other power packs can cause malfunctioning and irreversible
damages which will invalidate any warranties.
30 CM 30 CM
30 CM
30 CM
100-240VAC
AL20

Programming via display
1. Press ⏎ to activate the display
2. Press ⏎ for three seconds to enter the
programming menu
DC : OFF
>GAIN: 20dB Keys for
browsing the menu
Key
to confirm
Pointer to
scroll figures
Function
selector
Lorem ipsum
Note: the display will go out after 3 minutes if inactive, but the menu will remain open
on the last selected function. Press any key to resume to continue.
2 VHF/UHF Inputs
Selectable Lte 4G / 5G Filters
with SAW Technology
2 UHF Inputs
External Power
Supply Unit
Output level 120dBµV
Test Output - 30dB
FM Input with 0... 30 dB Attenuator
USB for programming and update
24 Digits LCD display
Zamak Case for screening protection
Connections Schematic
LEM
DSP40PRO
• Connect an earth wire to grounding clamp
• Connect the TV aerial(s) to the amplifier’s inputs.
• Terminate the unused inputs with 75Ω terminators.
• Connect the power supplier unit and than connect the amplifier to the mains plug
Installation and start-up
Firmware rel. 1.3
Hardware rel. 1.0

TUNING
AUTO MAN
To start the automatic programming, AUTO-
TUNING, place the pointer --- below AUTO.Press ⏎
to proceed. The amplifier DSP40 will start scanning
the MUX on input [1] for UHF band and on input [2]
for III° band.
TUNING
> > >
Wait for the AUTO-TUNING procedure to end,
which depends on the number of MUX received
from the antenna.
OUTPUT
>LEV:110dBuV
When the AUTO-TUNING procedure is completed
the display will show the total output level depending
on the number of MUX automatically saved. Press ⏎
to conrm and complete the procedure. To change
the output level press the keys ∇ ∆ then press ⏎ to
conrm.
Automatic channel scan and memorization
Setting higher output levels than the one obtained through the
AUTO-TUNING could reduce the quality of the received signals.
AUTO-TUNING
ATTENZIONE
To stop the AUTO-TUNING procedure press ⏎ for 5
seconds.
UHF Antenna
MATV Out
Test -30dB
BIII° Antenna

TUNING
AUTO MAN
Position the pointer --- on MAN to start the manual
programming though the ∆key and press ⏎to
continue.
INPUT FM
>DC : OFF
INPUT FM
Manual programming
Press ⏎to enter the menu to set the FM input
parameters.
Press ⏎ to start the pointer --- to scroll options then
press ∇ ∆ to select ON or OFF to enable the remote
power supply on the FM input. Press ⏎ to conrm.
Position the function selector > on Gain and press
⏎ to start the pointer --- to scroll options, select the
desired output level through the keys ∇ ∆ and press
⏎ to conrm.
The remote power suppy is set on 12Volt. It can be changed
to 24Volt in the ADVANCED menu.
FM INPUT
FM REMOTE POWER SUPPLY
FM GAIN
Adjustable from 15 to 45dB
>GAIN: 30dB
DC : ON
INPUT V/U 1 To set the INPUT V/U 1 parameters press ⏎ to enter
the menu.
INPUT [1] VHF-UHF
INPUT V/U 1 Processable channels
BIII° = E5... E13 - DAB
UHF 21... 60 with filter Lte 4G selected
UHF 21... 48 with filter Lte 5G selected
UHF 21... 69 with filter Lte OFF
The selection of the Lte filter is available in the ADVANCED
menu.
In any position of the menus INPUT V/U 1; INPUT V/U 2; INPUT U 3; INPUT U 4 press
the keys ∇∆ at the same time to go back to main menu.
INPUT AUX Press ⏎to enter the menu to set the AUX input
parameters.
Position the function selector > on Gain and press
⏎ to start the pointer --- to scroll options, select the
desired output level through the keys ∇ ∆ and press
⏎ to conrm..
>GAIN: 42dB
INPUT AUX
AUX INPUT
AUX GAIN
Adjustable from 22 to 42dB

Press ∇ ∆ to position the function selector > on
ADD 1 CH and press ⏎.
>ADD 1 CH
GAIN: 20dB
To add a lter for two channels with two adjacent
MUX press ∇ and select ADD 2 CH.Press ⏎ to con-
rm. Select the rst channel with the ∇ ∆ keys. The
second channel will automatically appear in second
position. Press ⏎ to conrm.
>21->21 L 65
GAIN: 20dB
>ADD 2 CH
ADD 1 CH
>21<>22 L 65
GAIN: 20dB
CH DELETED
Position the function selector > on MUX ltering or
MUX conversion using ∇ ∆ then press ⏎ for ve
seconds.
>GAIN: 20dB
INPUT V/U 1
To activate only the ltering function on a single
MUX set the desired channel through the ∇ ∆ keys
then press ⏎ twice to conrm.
>21->21 L 65
GAIN: 20dB
To activate the ltering and conversion function on
a single MUX set the desired channel through the ∇
∆keys then press ⏎ to conrm the input channel
Adjust the conversion channel through the ∇ ∆ keys
then press ⏎ to conrm.
MUX CONVERSION
INPUT GAIN
SINGLE MUX FILTERING
TWO MUX FILTERING
The L figure shows the input level of the selected MUX in
dBµV.
DELETE FILTER
Adjustable from 0 to 20dB
>36->36 L 65
GAIN: 20dB
>36->41 L 65
GAIN: 20dB
Position the function selector > on Gain and press
⏎ to start the pointer --- to scroll options, select the
desired output level through the keys ∇ ∆ and press
⏎ to conrm.
Regardless of the selected Lte 4G or 5G filter,
output conversions up to the UHF channel 69 are
permitted.
>DC : OFF
INPUT V/U 1
REMOTE POWER SUPPLY
Press ⏎ to start the pointer --- to scroll options then
press ∇ ∆ to select ON or OFF to enable the remote
power supply on the FM input. Press ⏎ to conrm.
The remote power supply is set on 12Volt. It can be changed
to 24Volt in the ADVANCED menu.

INPUT V/U 2
To set the INPUT V/U 2 parameters, press ⏎ to
enter the menu.
The procedures described for input 1 apply to all
settings.
INPUT U 3
INPUT U 4
OUTPUT
Press ∇ to select the menu OUTPUT and press ⏎ to
conrm and check the selected output level.
OUTPUT
>LEV:105dBuV
OUTPUT
>LEV:105dBuV
To adjust the output level press ⏎and change
the gure where the pointer is positioned, to the
required level. Press ⏎ to conrm.
>OUTPUT
LEV:105dBuV
To exit the submenu position the pointer > on
OUTPUT, press the ∆ key and ⏎ to conrm.
INPUT [2] VHF-UHF
INPUT [3] UHF
To set the INPUT 3 U parameters press ⏎ to enter
the menu.
The procedures described for input 1 apply to all
settings.
To set the INPUT 4 U parameters press ⏎to enter
the menu.
The procedures described for input 1 apply to all
settings.
OUTPUT LEVEL SELECTION
INPUT [4] UHF
Adjustable from 96 to 116dBµV
INPUT V/U 2 Processable channels
BIII° = E5... E13 - DAB
UHF 21... 60 with filter Lte 4G selected
UHF 21... 48 with filter Lte 5G selected
UHF 21... 69 with filter Lte OFF
INPUT V/U 3 Processable channels
UHF 21... 60 with filter Lte 4G selected
UHF 21... 48 with filter Lte 5G selected
UHF 21... 69 with filter Lte OFF
INPUT V/U 4 Processable channels
UHF 21... 60 with filter Lte 4G selected
UHF 21... 48 with filter Lte 5G selected
UHF 21... 69 with filter Lte OFF

ADVANCED
ADVANCED SETTINGS
ADVANCED
>LTE: 4G
Press ⏎ and the ∇ ∆ keys to select the SAW Filter
Lte 4G or 5G. Press again ⏎ to conrm.
ADVANCED
>LTE: 5G
ADVANCED
>LTE: 4G
LTE: 4G
>DC: 12V
Select the DC voltage setting function and press
⏎, press the ∇ ∆ keys to select the 12Volt or 24Volt
tension then press ⏎ to conrm.
LTE: 4G
>DC: 24V
DC : 12V
>PSW: 000
Select PSW and press ⏎, press the ∇ ∆ keys to
select the rst gure from the right. Press ⏎ to
conrm. Repeat for the other gures and press ⏎
to conrm.
DC : 12V
>PSW: 000
PSW: 000
>THR: 55dBuV
Select THR,the AUTO-TUNING miminum threshold
function and and press ⏎. Use the ∇ ∆ keys to se-
lect the required value and press ⏎ to conrm.
PSW: 000
>THR: 59dBuV
Lte Filter 4G or 5G
REMOTE POWER SUPPLY
PROTECTION PASSCODE
AUTO-TUNING INPUTS
THRESHOLD
Adj. from 45 to 90dBµV
ADVANCED
>LTE: OFF
In any position of the ADAVANCE menu press
the keys ∇∆ at the same time to go back to
main menu.
LTE FILTER UHF CH FREQ. RANGE LED STATUS
5G 21... 48 470... 694 MHz Blue
5G 21... 60 470... 790 MHz Green
OFF 21... 69 470... 862 MHz Green Blinking

Select SNBR.The number displayed on the right is
the univocal serial number of the product.
RESET
>SNBR: 00001
EXIT
EXIT
YES NO
THR: 55dBuV
>RESET
RESET?
YES NO
RESET OK
RESET DSP40
S/N DSP40
EXIT
Select the RESET function and and press ⏎ to enter
a second safety menu RESET?
If you want to cancel all setting and restore the
original settings, conrm YES by pressing ⏎. The
display will show RESET OK for a few second to
conrm the operation.
To close the procedure select EXIT and and
press ⏎. Select YES by pressing the ∇ ∆ keys
and press ⏎to confirm.
If you wish to cancel the operation, select NO by
pressing ∇ then press ⏎ to conrm and carry on
your setting procedure.
LEM Graphic User Interface (GUI)
From the download area in our website http://www.lemelettronica.it. it is
possible to download a special free PC compatible software conceived to
operate with the DSP40 amplifier from your PC.
Hardware requirements
PC Windows compatible with USB interface.
Processor 800MHz or more.
256Mb RAM
USB A-B cable.
Software minimum requirements
Windows 7 or more recent operating system, Microsoft Framework .NET 3.5* or
higher and langpack (free download from Microsoft website).
Installation procedure
Close all the active applications (included antivirus programs)
Start the Setup.exe program
Follow the guided procedure until the installation is completed
The program needs the Framework.NET 3.5 it’s usually in the PC if there
is a recent version of Windows XP. If not the Framework.NET can be freely
downloaded from the Microsoft website.
If you wish to cancel the operation select NO by
pressing ∇then press ⏎ to conrm.