Tektronix AWG610 - Manual (Page 366)

Appendix B: Performance Verification
B-6
AWG610 Arbitrary Waveform Generator User Manual
2. Push the OK side button and then any bottom or menu button (other than the
UTILITY) to exit the diaglog screen.
NOTE. The calibration data in the memory may be lost if the instrument is
powered off while the calibration is executed,