B&K Precision 8500-8526 - Manual - Manual (Page 71)

Serial number and firmware version
To find out the serial number and firmware version of the DC load, turn the instrument on. While the
SYSTEM SELFTEST message is displayed, quickly press and hold down the Shift key. By
pressing the △ and ▽ keys, you will see the following information:
120V 30A 320W Instrument's capabilities
SN: XXX-XXX-XXX Serial number
VER: X.XX Firmware version
Press the Esc key to return to normal operation of the instrument.
8500 DC Load Series Version: 030614 Page 71 of 77