PDF Reader Pro
●Viewing files
How to...
…show or hide navigation menu when viewing files?
●Transfering files
How to...
...upload files to your iPhone through wifi?
...download files throuth wifi?
●File Management
How to...
...do some changes to my files including delete/cut/copy/paste/rename?
...manage password-protected PDF files?
...add bookmark into PDF files?
...check outline (Table of Content) of PDF files
●Camera Scanner Feature
How to...
●Other
How to...
…deal with some other problem that is not listed here?
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How to zoom in/out?
Pinch with your fingers on the file you're reading to zoom in/out.
Doulble tap in the middle of the screen can zoom the file back into its original size.
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How to show or hide navigation menu when reading files?
One quick tap in the middle of the screen will show or hide the navigation menu and the button bar when viewing files.
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How to quickly jump to other pages?
PDF Reader Pro supports viewing large files. Scrolling up and down the pages by one finger offers you the convenience when viewing files.
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How to operate Auto Flow?
Want to concentrate on your reading? Auto Flow is the best helper.
This function can automatically scroll PDF files down (line by line) when you're reading.
At the upper right corner and you can find the switch of Auto Flow: 
Tap on it to lock 
/unlock the Auto Flow function.
In General Settings, you can adjust Time Interval and Jump Space of Auto Flow.
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How to operate Tap zone?
A function to speed up your reading when viewing PDF files.
The screen is divided into 5 sections that lead to different actions when you quickly tap them:
Middle section: Single tap to show and hide navigation menu
Upper arrow: Scroll up the page
Bottom arrow : Scroll down the page
Left arrow: This section works when you zoom in(enlarge) your PDF file.
Tap the left arrow section can move to thepage to the left.
Right arrow : This section works when you zoom in(enlarge) your PDF file.
Tap the right arrow section can move to the screen to the right.
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How to bounce vertical or horizontal?
Use it to lock 
/unlock horizontal scrolling.
By locking horizontl scrolling, you will only be able to drag page vertically.
Tapping any corner of the Tap Zone will move the page vertically too.
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How to do some changes to my files including delete/cut/copy/paste/rename?
Tap the 
button on the upper right corner and you will see a circle listing in front of each file/folder.
Find the target file/folder you want to make changes and tap the circle next to the file. An deep-gray spot will show up within the circle:
Then you will have options include delect/cut/copy/paste/rename your files.
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How to manage password-protected PDF files?
Password-protected PDF files are supported by PDF Reader Pro.
You can download password-protected PDF files through built-in browser and read them.
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How to add bookmarks into PDF files?
1. If you want to bookmark a page of a PDF file, please tap 
at the bottom navigation menu.
2. Tap "Add Bookmark" to add one into that page you're viewing.
3. Specify your bookmark.
4. The bookmarks you've added will be listed when you tap "View Bookmarks".
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How to check outline (Table of Content) of PDF files?
1. To view the outline of a PDF file, please tap at the bottom navigation menu.
2. Tap "View Outline " to examine the outline (only if the PDF file contains an outline).
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How to scan documents into PDF files?
1. Tap the camera icon on the main menu. Please find and tap on the button Scan Page.
2. You can either select the source files from the gallery within your iPhone/iPod Touch or scan it through camera.
3.The files you've taken will be listed in sequentially with page number.
4. To adjust your scans, you can use Exposure and B&W function to assist you.
5. You can also preview the scans you've taken before saving it.
The Preview function is based on Sarifi browser with zooming limited, so it’s not that powerful as the reading engine of PDF Reader Pro.
We sincerely suggest that you save it and go back to view it in PDF Reader Pro root folder.
6.If you're done with your PDF page arrangement, please tap the Make PDF function to output a PDF file.
And you can save it in root folder of PDF Reader Pro.
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How to deal with some other problems that is not listed here?
You may first check the Troubleshooting section.
But if you have tried everything but in vain:
Please shut down your iPhone completely and turn it on again. Then, open Safari on iPhone and go to any website to see if your WiFi works, and come back to open PDF Reader and try it again. If it still doesn't work, please try it with other browsers or WiFi environments. All Troubleshooting tips are feedback collected from our customers.
You are also welcome to mail us. Email: iphoneservice@kdanmobile.com