Fluke 189 user manual Setting the 24-Hour Clock, Setting the Line Main Frequency

Changing the Default Settings	5
Setting the 24-Hour Clock

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.

Note

The meter uses elapsed time for all MIN MAX readings. Elapsed time is expressed in minutes and seconds to a maximum of 59:59 and then changes to hours and minutes.

To change the 24-hour clock:

1.Press O T until Hour appears in the display and the hour digits in the lower right corner of the display begin flashing.

2.Press [ or ] to increase or decrease the hour value.

3.Press % ( s) to advance to the minute setting; the minute digits begin flashing.

4.Press [ or ] to increase or decrease the minute value.

5.Press O T 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 O T until 50-60appears in the display.

2.Press T or % to change the selection to the correct frequency.

3.Press O T to store the selection and proceed to the next selection.

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