Porta Phone Company Inc CS1900 User Manual

 

6

 
Before using the headset, charge the headset for at least 6 hours. 
 
 
 
 
 
 
 
 

 

 

 

 

 

 

 

 

 

 

Charger cradle 

 
 
 
Whenever you see the low battery 

 flash on the headset, or you have heard the low battery warning 

tones during a call conversation, please: 
-End the call as soon as possible. 
-Change the headset battery. 
 
To charge the battery, put the battery into the charger cradle. The charging LED on charger unit will come on to 
indicate that the battery is in charging mode. 
 
 
 
Basic Functions 
 
Make a talk 
-Press “Talk” key to get the headset, the “In use” LED is ON. 
During a talk conversation, you can adjust the talk volume (1 ~ 5 levels) by simply pressing c or d key.   
 
 
End a call 
-Press “Talk” key, the “In use” LED is OFF. 
 
Mute 
-During a call conversation, you can mute your voice by pressing “Mute/CH” key, the headset will show 
mutetone that you can talk freely without be heard by the talk party, and you still be able to hear the talk party. 
-Deactivate the mute function, press “Mute/CH” again. 
 
 
Headset Power On / Off 
To power Off the headset 
- Press and hold “Talk” key about 3 seconds, the headset will switch off which can prolong the use time of 
headset. 
To power On the headset 
-Press “Talk” key 
The headset will power on with the “In use” LED  light about 10 seconds, then the headset will return to the 

For headset 3.7V rechargeable 

battery pack 

For base 6.0V rechargeable 

battery pack