Fluke 189 [77/96] Setting the line main frequency

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Changing the Default Settings

Setting the 24-Hour Clock

5-7

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 50-60 appears 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.