5520A
Service Manual
4-12
1514 (DDE:FRS ) External Clock too Slow
1515 (DDE:FR D) Can’t load waveform for scope mode
1600 (DDE:FR D) OPM transition error
1601 (DDE:FR D) TC measurement fault
1602 (DDE:FR D) Z measurement fault
65535 (DDE:FR ) Unknown error %d