Multi channel programmable filter-equalizer (13 pages)
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,...
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.
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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...
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.
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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.
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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.
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.
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...