Application Guide

How to make Parblo A640 /Mast 13 /A610s work

with macOS Catalina?

1. First, uninstall the tablet or graphics driver from the computer, download the

latest driver and install it on the Parblo website.

2. After the installation is complete, the launcher opens "YJ option", the system

will pop up a prompt (as shown), click "Open System Preferences".

3. Click "Click the lock to make changes" to unlock it.

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How to make Parblo A640 /Mast 13 /A610s work with macOS Catalina? 1. First, uninstall the tablet or graphics driver from the computer, download the latest driver and install it on the Parblo website. 2. After the installation is complete, the launcher opens "YJ option", the system will pop up a prompt (as shown), click "Open System Preferences". 3. Click "Click the lock to make changes" to unlock it.
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4. Click "Input Monitoring", add "YJDaemon". Then, click "Click the lock to prevent further changes" to lock it.
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5. In "Accessibility", " Tick "YJoption", and click "Click the lock to prevent further changes." to lock it.
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