5
supply
3. I+, I-: are current output terminals, which provide constant current for the sample
through a dedicated test wire
4. V+, V-: input terminals for the voltage signal of the test product
5. Liquid crystal: using 320X240 true color liquid crystal, fonts can be clearly observed
under strong light, display operation settings, test results, contact resistance value and
output current value
6. RS232: serial port output
7. Reset key: the whole machine is initialized and the instrument is in the ready state
8. Selection key: Press this key to select various settings of the instrument, and the data
can be printed after measurement
9. Circulation key: main menu cycle selection key or U disk storage
10. Confirm key: Press the confirm key and the instrument will start the current for testing
11.: Ground terminal of the instrument.
12. USB: U disk interface
13. Printer: thermal printer, printing measurement results
V.Menu operation
1.The boot interface display is shown in Figure 1:
Figure 1
Press the cycle key and the cursor can move cyclically among current selection, host
parameter, time selection, and data query. When the cursor is in current selection, host
parameter, and data query, press the select key to enter the next menu of the selected
