Fluke 789 - Manual (Page 19)

ProcessMeter™
Getting Acquainted with the Meter
11
Table 4. Rotary Function Switch Positions for mA Output
No. Position Default Function Pushbutton Actions
 OUTPUT
X
Test leads in
SOURCE:
Source 0 % mA
Test leads in SIMULATE:
Sink 0 % mA
% STEP X or W: Adjusts output up or down to the next 25 % step
COARSE X or W: Adjusts output up or down 0.1 mA
FINE X or W: Adjusts output up or down 0.001 mA
 sets output to 0 %
 sets output to 100 %

OUTPUT
Y
monp
Test leads in
SOURCE:
Source repeating
0 % -100 %-0 %
slow ramp (m)
Test leads in SIMULATE:
Sink repeating
0 % -100 %-0 %
slow ramp (m)
J (Blue) cycles through:
• Fast repeating 0 % -100 % - 0 % ramp (o on display)
• Slow repeating 0 % -100 % - 0 % ramp in 25 % steps (n on
display)
• Fast repeating 0 % -100 % - 0 % ramp in 25 % steps ( pon
display)
• Slow repeating 0 % -100 % - 0 % ramp (m on display)
Table 5. Rotary Function Switch Position for Loop Supply
No. Position Default Function Pushbutton Actions

mA
LOOP POWER
250
HART Test leads in SOURCE:
Supply > 24 V loop power, measure mA
J (Blue) cycles through:
• 250 Ω series resistor for HART
communication switched in
• 250 Ω series resistor switched out