Chapter 2 Front Panel Operations RIGOL
User’s Guide for DM3068
If the current reading exceeds the high or low limit, the vice display shows “HI
FAIL” or “LO FAIL” and the beeper sounds (beeper is on: System
Sound).
The P/F signal from pins 1 and 9 of RS232 is not compatible with the
handshake signal (Carrier Detect and Ring Indicator) from standard
RS232.