DayStar DS-100c, User Manual

Page: 17 / 53

DS-100C Operating Manual IVPC Installation & Quick-Start page 9
You can return to the Data Grid without closing the curve window by using the Window
menu shown in Figure 6. Closing the I-V curve window will also return you to the Data
Grid window.
Figure 6. Moving to the Data Grid with the Window menu.
If You Get an Error
There are several error messages you may see when taking a curve. The DS-
Tracer automatically turns itself off when it does not receive a command for 15
minutes. This features helps to protect the DS-Tracer battery. If the DS-Tracer
has been on for more than 15 minutes without taking a curve it will power down
and you will receive an error indicating that the DS-Tracer does not respond.
Simply turn the DS-Tracer switch off, wait several seconds, and turn it back on.
Allow the tracer approximately 10 seconds to initialize. Then pressYes to retry
as indicated on the error dialog box.
Other errors occur if the PV array voltage is too high or if it is zero or negative.
Simply follow the IVPC directions given when the error occurs. Most errors
happen as soon as you chose New I-V Curve from the File menu. Most often you
can correct the problem and continue without having to restart.
The most common problem results from a communication error. This is usually
due to not setting the correct COM port in IVPC. The COM port settings must
match the actual COM port on your computer. Note: If the COM port is a “virtual”