Installing The Speaker/Microphone; Getting Acquainted - Puxing PX-578 Manual

belt clip

INSTALLING THE SPEAKER/MICROPHONE

Open the cover of the speaker/microphone jack and insert the
speaker/microphone plugs into the jacks.
Speaker/Microphone
INSTALLING JACK COVER
You can install the jack cover with supplier screws to make it waterproof.
Speaker/Microphone
Jack cover

GETTING ACQUAINTED