Fluke 189 - Manual (Page 41)

Making Measurements
Measuring Voltage
3
3-5
AC over DC DC over AC AC + DC
tc024f.eps
Figure 3-3. AC and DC Display
When the meter shows ac over dc or dc over ac, the
following other pushbutton functions are not available:
•
AutoHOLD (
O Q
)
•
MIN MAX ( M )
•
FAST MN MX ( O M )
•
Hz (
N
)
•
Relative ( D )
•
LOGGING ( O D )