User's Manual
Unitech Part Number: 400412   
12
1.3.4. DIAG - Diagnostics 
The HT580L has a built-in diagnostics program to test the terminal's hardware. The test routines are 
data destructive. Therefore, before running the diagnostic program, make sure you back up the data 
in the HT580L. 
Note : When a H/W or S/W service has been made on the PT630, such as maintenance, repair or upgrade, it 
is strongly recommended to run the diagnostic program. 
At the Supervisor Mode menu: 
1.  Press 7 (7.DIAG), then LCD will display the diagnostic menu as 
shown on the left. Select 1-8 to run the desired diagnostic routine 
1.  VER  : Get F/W version for HT580L and Decoder. 
2.  SCAN  : test bar code input by scanning bar code labels. Press ESC key to return to the 
diagnostics menu. 
3.  LCD  : Darken the dots of the LCD screen and cycle power to the LCD backlight to check 
if the LCD functions OK 
4. COMM : Connect to PC’s communication testing program to test USB/RS232 
communication 
5. PWR  : Testing Battery power 
6. KEY  : Test every key response 
7. RTC  : Show Current time/date is displayed 
8. MEM  : Test RAM condition 
Note : Please refer to Service manual for more detail information.
1. VER  2. SCAN 
3. LCD 4. COMM 
5. PWR 6.KEY 
7. RTC 8.MEM 










