Setting The 24-Hour Clock; Setting The Line (Main) Frequency - Fluke 87 Series IV User Manual

Setting the 24-Hour Clock

The meter uses 24-hour clock readings as time stamps
during HOLD, AutoHOLD, MIN MAX, FAST MN MX,
SAVE, and LOGGING operations.
Hours and minutes to a maximum of 23:59 can be set.
If the reading occurs within 1 hour of the start of
the operation, the elapsed time clock is used.
The meter also uses elapsed time for all average
readings. Elapsed time is expressed in minutes
and seconds to a maximum of 59:59.
To change the 24-hour clock:
1. Press until
the hour digits in the lower right corner of the display
begin flashing.
2. Press or to increase or decrease the
hour value.
Note
appears in the display and
Changing the Default Settings
3. Press ( ) to advance to the minute setting; the
minute digits begin flashing.
4. Press or to increase or decrease the
minute value.
5. Press to store the selection and proceed to
the next selection.

Setting the Line (Main) Frequency

Although the meter operates on battery power only, it is
important to specify the frequency (50 or 60 Hz) of the line
(main) power. This allows the meter to filter out related
noise.
To change the line (main) frequency:
1. Press until
2. Press or to change the selection to the correct
frequency.
3. Press to store the selection and proceed to
the next selection.
Setting the 24-Hour Clock
appears in the display.
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