User's Manual
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4.3  System mode
To enter the system menu, you need to press the 7, 9 and POWER keys simultaneously upon power 
up the terminal. For details of the services provided by the system, please refer to section 4.2. 
4.4  Kernel mode
To enter the kernel menu, you need to press 7, 9 and POWER keys simultaneously to enter the system 
menu first, then power off the unit and press 1, 7 and POWER key simultaneously. Or if the battery is 
just reloaded, then press 1, 7 and POWER  key simultaneously will directly go to the kernel. For 
details of the services provided by the kernel, please refer to section 4.1. 
4.5  Application Manager
Although the Application Manager is part of the kernel, to enter it, you need to press ‘8’ and POWER 
key simultaneously. Or if the application program does not exist, the unit will automatically go to the 
Application Manager’s menu upon power up. 
The three services: Download, Activate and Upload provided by the Application Manager are 
explained in Section 4.1. But what if you need to update a program or delete it? For both cases, you 
need to select the Download menu and select the program to be updated or deleted. The Application 
Manager then shows the selected program’s information such as Program Name, Download Time, 
Used and Free Flash memory. And then please input ‘C’ to update the selected program, or input ‘D’ 
to delete it. 










