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Exchanging the input modules
Your Quadpack is fitted with two wideband input modules which are
suitable for most applications. If the Quadpack is to be used mainly for high
frequency transmission applications (e.g. electronic news gathering), we
recommend using two selective input modules (see „Accessories” on page 31)
to ensure optimum reception reliability.
The wideband input modules have a frequency range from 470 to 870 MHz.
The selective input modules limit the bandwidth of the receiving frequencies
to a 40-MHz window within this range. The frequency window of the
selective input modules is printed onto the modules.
Important note!
When purchasing the selective input modules, make sure that their fre-
quency window is compatible with the frequency range within which
your transmitters and receivers can be operated!
When using the selective input modules, make sure that all transmitters
and receivers of your transmission system operate within the frequency
window of the selective input modules!
̈ Remove the antenna cables or telescopic antennas.
̈ Unlock the input modules by turning the catch ƹ into a vertical posi-
tion.
̈ Pull the wideband input modules out.
̈ Insert the selective input modules ƺ.
̈ Lock the input modules by turning the catch again.
̈ Reconnect the antennas.
ƹ
ƺ
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