Bosch Security Systems Inc. H222 Manuel D’Utilisation

 
REV-PH Users Manual   

Page 3 

 
Quick set cont’d. 
 

9.  Press the set and down arrows at the same time then release to go to the  
     next screen function. 
 
10. The next screen shows the battery level in % (percent). Press the set and 

down arrows at the same time then release to go to the next screen. 

 
11. The next screen shows the audio setting. The display is shown in dB. 
      0 dB is (maximum volume), -27 dB is (minimum volume). Press the set  
     and down arrows at the same time then release to go to the next screen. 
 

      Setting the attenuator for the maximum Audio Meter reading on the  
      receiver without peak distortion will produce the best signal to noise  
      ratio.  

 
11. The next screen shows the transmitter RF level (Lo or Hi). Press the Set  

        button if you wish to change the RF level. Press the up button to go to  
        Hi or the down button to go to Lo. Press Set to store. 
 

        The transmitter RF is normally shipped set to “Lo” for use with   
        multiple frequency systems and the best battery life.“Hi power can be  
        selected for longer distances or to suppress noise or interference. The  
        nominal power in Hi is 50 milliwatts. 

 
 

12.  Press the set and down arrows at the same time then release to go to the  
      next screen function, which will return to the Gp/Ch screen. The  
      display screen will automatically show the Gp/Ch screen when the  
      transmitter is first turned on. 

 

13. When power off is required, simply place the power Off-On switch in 

the OFF position. The display will then delay slightly to allow the 
receiver to shut down quietly.