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Lem Elettronica DSP25 V2 Manual

Multi-input digital signal processor
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Table of Contents

DSP25
MULTI-INPUT
DIGITAL SIGNAL PROCESSOR
24 Digits LCD display
3 TV Terrestrial inputs
1 FM input
Auto-Tuning function
Lte700 filters against 5G/4G interferences
A.C.G. in each filter
32 high selectivity digital filters
TECHNICAL SPECIFICATIONS
NUMBER OF INPUTS
INPUTS FREQUENCY RANGE
SINGLE CHANNEL FILTERS
NUMBER OF CHANNEL PER FILTERS
INPUT TOTAL LEVEL RANGE
FM INPUT AMPLIFIER
VHF/UHF INPUTS AMPLIFIERS
VHF/UHF INPUTS A.C.G. RANGE
DIGITAL FILTERS SELECTIVITY
SELECTABLE FILTERS AMPLITUDE
GAIN
OUTPUT LEVEL RANGE
VHF ADJUSTABLE GAIN
UHF ADJUSTABLE SLOPE
MAX TOTAL UHF OUTPUT LEVEL
MAX OUTPUT LEVEL WITH 6 MUX
MAX INPUTS REMOTE POWER
COMMON
RETURN LOSS IN/OUT
TEST OUTPUT
MAXIMUM CONSUMPTION
OPERATING TEMPERATURE
DIMENSIONS
V2
4
MHz
dBµV
dB
DB
dB
dB
dB
dBµV
dB
dB
dBμV
dBμV
dB
°C
mm
DSP25
V2
UHF1:
470... 694MHz
UHF2:
470... 694MHz
B3/DAB-UHF3:
174... 694MHz
FM:
87.5... 108MHz
TEST
OUT
-30dB
WARRANTY
YEARS
1 FM; 1 BIII/DAB/UHF; 2 UHF
FM (40... 108) BIII / DAB (170... 240) UHF (470... 694)
32
1
FM 35... 90 - BIII/DAB 40... 110 - UHF... 45... 100
-10/+10 (OFF/ON)
0/+16
40 dB
50 (Adjacent channel)
STANDARD/NARROW/AUTO
VHF 52 - UHF 62
94... 114
0... -10
0... -10
120 (IM3 DIN 45004B - 60 dBc)
113
12V / 100 mA
>12
1 (-30 dB)
100-240VAC 50/60HZ 8,5W
-5... 50
217 x 145 x 45
POWER
GAIN VHF:
52dB
AC INPUT: 100-240V 50-60Hz 8,5W
GAIN UHF:
62dB
TV TERR. DC OUT:
12V / 100mA
OUTPUT 6 MUX:
113dBµV
TOTAL OUTPUT LEVEL: 120dBµV
RED
LTE
AUTO
TUNING
700
COMPLIANT
USER GUIDE
FM
UHF1
UHF2
B3/DAB-UHF3
RED
AUTO
TUNING
COMPLIANT

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Summary of Contents for Lem Elettronica DSP25 V2

  • Page 1 DSP25 MULTI-INPUT DIGITAL SIGNAL PROCESSOR 24 Digits LCD display 3 TV Terrestrial inputs DSP25 1 FM input Auto-Tuning function POWER UHF1: 470... 694MHz GAIN VHF: 52dB AC INPUT: 100-240V 50-60Hz 8,5W UHF2: 470... 694MHz GAIN UHF: 62dB TV TERR. DC OUT: 12V / 100mA B3/DAB-UHF3: 174...
  • Page 3 DESCRIPTION OF SYMBOLS AND ELECTRICAL SAFETY The equipment complies with the CE requirements The equipment is designed for indoor use only Equipment grounding terminal This symbol indicates that the equipment complies with the safety requirements for class II equipment To avoid the risk of electric shock, do not open the equipment. CAUTION The equipment is compliant with RoHS 2011/65EU Dispose according to local authorities recycling processes...

  • Page 4: Safety Instructions

    Safety instructions 1. Do not expose the amplifier to extreme temperatures. 2. Place the amplifier in a dry and well-aired location. 3. Install the unit on a vertical wall, or in a waterproof cabinet with a minimum IP55 rating, and fix it safely using fixing plugs. 4.

  • Page 5: Installation And Start-Up

    Standard Connections Schematic DAB/UHF DSP25 POWER UHF1: 470... 694MHz GAIN VHF: 52dB AC INPUT: 100-240V 50-60Hz 8,5W UHF2: 470... 694MHz GAIN UHF: 62dB TV TERR. DC OUT: 12V / 100mA B3/DAB-UHF3: 174... 694MHz OUTPUT 6 MUX: 113dBµV 87.5... 108MHz TOTAL OUTPUT LEVEL: 120dBµV AUTO TUNING COMPLIANT...

  • Page 6: Amplifier Programming

    Amplifier Programming 1. Press any key to activate the display 2. Keep press for three seconds to enter the programming menu ⏎ Input Input Output level dBµV Power LED channel channel 2 1 - > 2 1 S 0 6 5 Function >...
  • Page 7 Automatic channel scan and memorization To begin the AUTO-TUNING procedure connect the antenna(s) to the DSP25 inputs, then follow the operations described below. To begin the automatic programming AUTO-TUNING T U N I N G select AUTO and Press ⏎ to proceed. A U TO M A N THRES is the sensitivity threshold level for the...

  • Page 8: Manual Programming

    Manual programming Position the pointer --- on MAN to start the manual T U N I N G programming and press ⏎ to continue. A U TO M A N ∇ ∆ Press the keys at the same time to go back to the main menu.
  • Page 9 To delete a filter place the function selector > on D E L E T E D the filter row and press ∇ and ⏎ keys together. DAB FILTER To activate the single 65MHz DAB filter press ∇ until A M P L I : O N the figure DAB-DAB is shown, then press ⏎...
  • Page 10 OUTPUT LEVEL SELECTION Press ∇ to select the menu OUTPUT and press ⏎ O U T P U T to confirm and check the selected output level. To adjust the output level, press ⏎ and change the O U T P U T figure where the pointer is positioned to the required >...

  • Page 11: Advanced Settings

    ADVANCED SETTINGS ∇ ∆ Press the keys at the same time to go back to A D VA N C E D the main menu from anywhere in the ADVANCED menu. PROTECTION PASSCODE Select PASSW and press ⏎, press the∇ ∆ keys A D VA N C E D to select the first figure from the right.

  • Page 12: Power Error

    SERIAL NUMBER M O N I TO R : O F F > S R N B R : X X X X X RESET To restore the default settings select RESET and R E S E T confirm YES pressing ⏎. The display will show RESET OK for a few second to confirm the operation.
  • Page 13 Label with serial and tracking data Model Serial # Manuf. Manuf. Week Year Rel. Rel. LEM ELETTRONICA srl • Via Grezze, 38 • 25015 Desenzano d/G • Italy Tel. +39 0309120006 • Fax. +39 0309123035 • info@lemelettronica.it www.lemelettronica.it...

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