DCAM 004 PROMPT TONE

<p>STEP 1:Update the version of the DCAM 004 to the Newest V1.020_200428 <img src="https://www.showdoc.cc/server/api/common/visitfile/sign/d0cb78186f1e9d91f3120122b1a2d542?showdoc=.jpg" alt="" /></p> <p>STEP 2:Adjust the power-on prompt</p> <p>In options，PROMPT TONE： You can enter a value from 0 to 100, 0 represents mute, 100 represents the largest prompt tone.</p> <p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/9e8356c74df76e564c30e49c4d0371e1?showdoc=.jpg" alt="" /></p>