User's Manual
Table Of Contents
- IMPORTANT NOTICES
 - RELEASE NOTES
 - INTRODUCTION
 - USING MOBILE COMPUTER
 - LEARNING SOFTWARE ARCHITECTURE
 - SYSTEM MENU
 - PROGRAM MANAGER & KERNEL
 - SPECIFICATIONS
 - DOWNLOAD UTILITY
 - TROUBLESHOOTING
- CANNOT TURN ON WHEN PRESSING POWER KEY
 - CHARGING ERROR
 - BUZZER SEEMS NOT WORKING
 - LED INDICATOR SEEMS NOT WORKING
 - LCD TOUCH SCREEN SEEMS NOT WORKING
 - KEYPAD SEEMS NOT WORKING
 - VIBRATOR SEEMS NOT WORKING
 - MOBILE COMPUTER SEEMS NOT WORKING
 - CANNOT SCAN BARCODES
 - CANNOT DECODE DATA AFTER SCANNING
 - CANNOT TRANSMIT/RECEIVE DATA
 
 - KEY REFERENCE TABLES
 
    77 
  Chapter 3 System Menu
WPA2 Setting 
  Enable 
  Disable (default) 
WPA Passphrase  Enter a phrase as your password (8 ~ 63 characters) 
3.10.5 ECHO TESTS 
Launches the echo tes ts that verify if the mobile computer sits within the  coverage of a 
WLAN. It  al so hel ps esti mate the number of APs a nd mobile computers  nee ded, a nd 
helps with the topology of APs deployment. 
Client Mode 
Select this item to set the mobi le computer as a  cli ent. Ente r the IP address of the server
to 
connect to. The mobile computer will proceed to connect to an AP. 
1.  Enter the server IP and server port number on the mobile computer. 
2.  Run the utility “EchoTest.exe” on your PC. Associated settings include the following: 
- Select “TCP/IP – Server” for interface. 
- Set Action Mode to “Passive”. 
3.  Start the echo test on both sides. 
Server Mode 
Select this item to set th e mobi le computer as a  server.  The  mobile computer wi ll proceed
to 
connect to an AP. 
1.  Run the utility “EchoTest.exe” on your PC. Associated settings include the following: 
- Select “TCP/IP – Client” for interface. 
- Set Action Mode to “Passive”. 
2.  Start the echo test on both sides. 
While running echo tests, if WPA setting is enabled for security, the SSID and Passphrase 
will be processed to generate a pre-share key. 
Note:  Once the SSID or Passphrase is changed, the pre-share key will be regenerated. 










