Supersonic SC155 用户手册

 

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2.2   Key explanations 

 

 

 

Return key 

●Return to the previous menu. 

Menu key 

●Show options of current menu.   

Home key 
 

●At any status, press the key to 
return to the standby screen.   

Power key 
 

● Hold down this key to turn your 
phone off and on.   
● Generally, press this key to lock 
the mobile phone.   

Side volume 
keys 

● During the conversation, press 
the two keys to adjust the volume. 
● While playing an audio file, 
press the two keys to adjust the 
volume. 

 

 In this guide, the phrase “press the key”