Fluke PM6669 - Page 8

– Wait about 20 seconds, until the display shows
10.0000000 MHz. Now the oscillator is calibrated.
– Switch OFF the counter and disconnect the 10 MHz ref-
erence.
Fit the cover.
CALIB-button
Figure 6 Location of the CALIB-Button.
INSTALLATION Page: 7
PM 6669 - OPERATORS MANUAL