Fluke 789 User Manual
Page 25
ProcessMeter™
Getting Acquainted with the Meter
17
Table 7. Display (cont.)
No. Element
Meaning
M
mA, DC, mV, AC, M
or k
Ω
, kHz
Show the input or output units and multipliers associated with the numerals
N
Auto Range
Manual Range
Range status indicators:
Auto Range - autoranging is on
Manual Range - the range is fixed
400100030
mV
The number plus the unit and multiplier indicate the active range.
O
mo np
One of these lights in mA ramping or step output (rotary function switch position
Ymo np):
m - slow continuous 0 % - 100 % - 0 % ramping (40 seconds)
o - fast continuous 0 % - 100 % - 0 % ramping (15 seconds)
n - slow ramp in 25 % steps (15 seconds/step)
p - fast ramp in 25 % steps (5 seconds/step)
P
250
Ω
HART
Lights when 250
Ω
series resistance is switched in
Q
Loop Power
Lights when in loop supply mode