Johansson 6504 User Manual

Multi channel programmable filter-equalizer

Advertisement

Multi Channel Programmable Filter-Equalizer
Digital
Terrestrial
FEATURES
- Designed for both digital and analogue channels,
- 3 UHF input / 1 output,
- 10 programmable clusters,
- Each cluster can have 1 to 7 channels bandwidth,
- Easy programming by using one rotary / push button viewed on 2 digits display and LEDs for each cluster,
- Accurate equalization of levels using 1 dB step attenuators,
- Switchable 20 dB input amplifier to attenuate high input signals,
- Selectable DC power pass on each input.
R
User Manual
UHF1
UHF2
Exit
MULTI CHANNEL PROGRAMMABLE FILTER-EQUALIZER
Attenuator
Stop
Start
Filter-Input Selection
Split Input
Digital
Terrestrial
Ref. : 6504
+5V
/500 mA
+
Ref. : 6504UK
UHF2
1
2
3
4
5
6
7
8
9
10
UHF1
UHF3
R
32 32 32 32
UHF3
GND
DC1
DC2
OUT
DC3
1

Advertisement

Table of Contents
loading

Summary of Contents for Johansson 6504

  • Page 1 Start Filter-Input Selection Split Input Digital 32 32 32 32 Terrestrial Ref. : 6504 /500 mA FEATURES - Designed for both digital and analogue channels, - 3 UHF input / 1 output, - 10 programmable clusters, - Each cluster can have 1 to 7 channels bandwidth,...
  • Page 2: Safety Instructions

    MULTI CHANNEL PROGRAMMABLE FILTER-EQUALIZER Attenuator Stop Start WARNING ! Filter-Input Selection Use only supplied power Split Input adapter. Digital 32 32 32 32 Terrestrial A different voltage and/or Ref. : 6504 wrong polarity destroys the equalizer /500 mA beyond repair! 177 mm.
  • Page 3 Mode / Funcion LEDs Start Filter-Input Selection Split Input Digital 32 32 32 32 Terrestrial Mains Ref. : 6504 230-240 V~ /500 mA 2 Digits Display Rotary / Push button B I / B II B I-II B I I I...
  • Page 4: Operation

    OPERATION All parameters are set with the rotary push button. Each function and parameters are shown on 2 digits display and different LEDs . Programming - Make all the necessary connections and connect the equalizer to mains. The software version is displayed, followed by a dot.
  • Page 5 CLUSTER PROGRAMMING Setting clusters / UHF input - The equalizer has 3 UHF input which are splitted over 10 clusters. There are three possible configurations : Input UHF1 UHF2 UHF3 UHF1 clusters are indicated by the YELLOW LEDs n° 1 and 2. Number of UHF2 clusters are indicated by the RED LEDs n°...
  • Page 6 Setting channels / cluster Each cluster has a bandwidth which can be programmed from 1 to 7 channels : To set the channel(s) per cluster : In the following example cluster 1 is set for channel 22 to channel 26. - Turn the button to select the Filter - Input Selection mode.
  • Page 7 Notes : - Single channel mode : When the Start Channel is selected, the Stop Channel is automatically set at the same value. Start - Park function : to switch off the cluster, select Start Channel and set 00. The Stop Channel goes automaticaly to 00. Start - If there are overlapping clusters, the display dots will blink alternately.
  • Page 8 To check the channel settings of each cluster : - Turn the button to select the Filter - Input Selection mode. The LED is GREEN. Filter-Input Selection - Push the rotary button to enter the selected mode. The LED is now RED colored. Filter-Input Selection - Turn the button to choose the cluster to be checked.
  • Page 9: Level Adjustment

    LEVEL ADJUSTMENT Level setting To set the level. - Select the desired cluster. Example : setting the level of cluster 2 - Turn the button to select the Filter - Input Selection mode. The LED is GREEN. Filter-Input Selection - Push the rotary button to enter the selected mode. The LED is now RED colored.
  • Page 10 Each input has a 20 dB switchable amplifier. This is used as aditional 20 dB attenuator for high levels up to 95 dBµV. Input Amplifier To switch off the input amplifier. - Select the input to be attenuated. - Turn the button to select the Filter - Input Selection mode. The LED is GREEN.
  • Page 11: General Reset

    MULTI CHANNEL PROGRAMMABLE FILTER-EQUALIZER Attenuator Stop Start Filter-Input Selection Split Input Digital 32 32 32 32 Terrestrial Ref. : 6504 /500 mA - Keep on pressing the button, - until the mains is connected again. UHF2 UHF1 UHF2 UHF3 UHF1...
  • Page 12: Block Diagram

    -5 to +50 Dimensions (mm) 222 x 142 x 65 * -54 dB / IM3 Specifications are subject to change without notice. 07/06 UNITRON n.v. Frankrijklaan 27 TEL +32 5733 3363 FAX +32 5733 4524 B-8970 Poperinge www.johansson.be e-mail: sales@johansson.be Belgium...

Table of Contents