Subject to change without notice
25
C a l i b r a t i o n
the input A during the following steps. After
depressing the right function key
Æ
”A...” will
be indicated in the display after a few seconds.
If you now depress the reset button you are
again in the normal mode.
7b) If there is a standard frequencyof 1, 5 or 10 MHz
at the input A, depress the right function key
Æ
. A few seconds later the display shows
following informations:
A...if the standard frequency applied is not
accepted
A... 1 6 if the counter has recognized a
1 MHz standard
A... 5 6
if the counter has recognized a
5 MHz standard
A...10 6
if the counter has recognized a
10 MHz standard
During the following 45 seconds the signal is
measured and the HM8021-4 is recalibrated.
Finally the new calibrated unit automatically
switches back to normal mode.
