User manual SENNHEISER SI 29-5

[. . . ] Instructions for use SI 29-5 8 Putting the IR modulator into operation/power supply The SI 29-5 infra-red modulator is powered via the NT 29 plug-in mains unit . It is connected to the DC input socket by a special twist-lock connector. [. . . ] In the largest possible system, a maximum of 32 transmission channels can be used: Number of modulators 1 2 3 4 5 6 7 Maximum number of transmisson channels 5 10 15 20 25 30 32 N. B. : Do not duplicate channel numbers!Since these sockets are internally connected in parallel, it does not matter whether you choose the left or the right socket . 11 Choosing the audio input By simultaneously pressing the buttons "INPUT" and "+" or "-", you start the input search for sockets 1 - 5 at the back of the modulator. Holding this button down initiates fast search, continually cycling from the beginning. Holding this button down initiates fast search, continually cycling from the beginning. Now you have to choose the infra-red transmission channel for the selected input. Choosing the IR transmission channel Switching a channel off By simultaneously pressing the buttons "CHANNEL" and "+" or "-" you start the search for the infra-red transmission channel which is to be assigned to the input. To switch a channel off, search through the transmission channels as described above. The OFF position is the next channel above "£ ¡" or below "ºº" (depending which way you go). The display will indicate "ºF. " instead of a channel number and the corresponding LED will go off. Any channel left on, but unused, will reduce the radiator coverage area accordingly. (See the section on calculating the radiator coverage area in the user manual supplied with the radiator). 12 Adjusting the AF level By simultaneously pressing the buttons "AF LEVEL" and "+" or "-" you can adjust the AF level for the transmission channel you have just selected. The level is adjusted correctly when the modulation indicator nally reaches the red part of the display (full modulation). [. . . ] 4. 0 kg AF frequency response THD AF signal-to-noise ratio RF output Output impedance Suppression of harmonics Power supply Power consumption Dimensions Weight Subject to alterations 14 Sennheiser electronic GmbH & Co. KG D-30900 Wedemark Telefon: 05130/600-0 Telefax: 05130/600-300 Printed in Germany Publ. [. . . ]