Bosch Security Systems Inc. M522 Benutzerhandbuch

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Telex ST-300 Transmitter 
 
Page 3 
 
Operating Instructions:When the Power button is pressed, the Channel, Frequency and  
existing audio settings are displayed. After 10 seconds (unless another button is pressed)  
the audio settings are blanked out. After this point, switch functions as follows: 
 
Operation 
 
Function/Result 
 
 
Press set 
 
Audio Settings are displayed. 
 
Press set 
 
Channel (“blinks”) flashes. 
Press up (arrow) 
Channel increments. 
Press down (arrow) 
Channel decrements. 
Press set 
 
flash stops, Channel is set in memory. 
 
Press set 
 
Unbalanced Audio Level flashes. 
Press up 
 
Audio Level increases at 6 dB per step. 
Press down 
 
Audio Level decreases at 6 dB per step. 
Press set 
 
flash stops, Level is set in memory. 
 
Press set 
 
Balanced Audio Level flashes. 
Press up 
 
Audio Level increases at 6 dB per step. 
Press down 
 
Audio Level decreases at 6 dB per step. 
Press set 
 
flash stops, Level is set in memory.   
 
Press set 
 
Mic (microphone input), 600 (600 Ohm Line) or 
 
 
 
70V (70 V Line input) will flash, depending on which  
 
 
 
source was last selected. Press set again if the flashing  
 
 
 
source item is the desired item or Press up/down button 
 
 
 
to select new source. Press set last to save flashing item. 
 
Press set 
 
All items stop flashing. Ends “normal use” programming. 
 
Special Function Programming: 
 
E.D.R. : If E.D.R. does not already show on the display and Enhanced Audio 
Performance is desired, program as follows: 
Press the power switch for 2-3 seconds to remove power, if not already off. 
Press and Hold the set button and then Press the power button . E.D.R. should 
then be displayed near the MHz Icon. To de-select E.D.R., remove power and  
re-apply power while holding the set button in.