Fluke PM3370B user manual Timebase Setup, Timebase setup

GETTING STARTED 3 - 11

3.7 TIMEBASE SETUP

The next step is the adjustment of the main timebase controls (TIME/DIV, X POSition, and MAGNIFY keys).

MAGNIFY X POS

AUTO

RANGE

1 2 3 4

TIME/DIV

s VAR ns

ST6435

9312

Figure 3.6 Timebase setup

Step 1 Press the AUTOSET key.

Step 2 Use the TIME/DIV keys on the right hand side of the instrument to decrease or increase the number of periods of the signal on the screen.

TIME/DIV

MTB 500μs

MTB 100μs

ST6683

Step 3 Select a timebase of 1 ms/div.

Step 4 Press AUTO RANGE and see the signal display change to a more suitable timebase. The AUTO RANGE function automatically selects a timebase that displays 2 to 6 signal periods.

Step 5 Press the ANALOG key to switch the scope to the analog mode.

Step 6 Turn the X POS control to shift the signal horizontally (left or right) across the screen.