PiPO Max-M7 pro 3G - Manual (Page 16)

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6.6 Sign function
Tap the “sign” icon to open this.
You can make notes and sign your signature on PDF, Picture file.
Just tap to choose the PDF file from your tablets, make
sure you have those files in your tablets.
If you want to make note or want to sign on pictures, Please tap
. You may edit the documents and pictures as you want.
VII. Settings
Tap the “Settings” icon to go to settings. You can check and set
wireless&networks, sound, display, storage, Battery, Accounts &sync,
security, language, date&time, about tablet, etc.