Select
the frequency for the frequency calibration measurement. The MHz
is selected by the outside arrow buttons and tenths of MHz with the
inner buttons. The range for frequency measurement is 5.0 to 15.0
MHz.| < 0.1 uV | Too small | No measurement taken |
| 0.1 to 1.0 uV | Marginal | Option to calibrate given |
| > 1.0 uV | Sufficient | Measurement made |