User manual
Shift + Menu Enter the instrument's menu system.
Shift + Short Turn short circuit on or off.
Shift + Tran Start or stop transient condition.
Shift + Trigger Causes an immediate trigger.
Shift + Battery
Turn on or off battery testing function (measures battery 
capacity in ampere*hours).
Shift + S-Tran Set transient condition parameters.
On/Off
Turns DC Load ON or OFF (OFF is high impedance 
state).
Shift
The shift key is used to select the alternate operation of a 
key, indicated by the word under the key.
△ Scroll up key.
▽ Scroll down key.
 0 to 9 Enter the digits 0 to 9.
• Decimal point.
Esc
The escape key. It can be used to exit keyboard entry or 
move up a level in the menu.
Enter Enter the selected value or setting.
Rear panel
Your instrument's rear panel may look different from the following figure, but the same functionality 
will be present.
4
1
23
1
3 pin IEC320 AC input connector.
2
4 pin trigger and remote sensing connector. 
3
9-Pin serial port interface connector. NOTE: This port's terminals utilize 5 volt 
TTL logic signals. Do    NOT   connect an RS-232 cable with standard RS-232   
voltages on the cables connectors. Doing so may damage the instrument and is 
8500 DC Load Series  Version: September 2, 2009  Page 10 of 76










