Fluke 789 User Manual page 18

789/787B
Users Manual
No. Pushbutton

H

FINE
FINE
h


J
(BLUE)

(alternate
function)
COARSE
r


% STEP
G


14
Table 6. Pushbuttons (cont.)
Measuring: Toggles AutoHold, or in MIN MAX recording, suspends recording
mA Output: Adjusts output up 0.001 mA
Measuring: Toggles between frequency counter and voltage measurement functions
mA Output: Adjusts output down 0.001 mA
W
Rotary function switch in
ac and dc ampere measure
Rotary function switch in V position: Toggles diode test function (D)
Rotary function switch in OUTPUT Ymonp position: cycles through
•
Slow repeating 0 % -100 % - 0 % ramp (m on display)
•
Fast repeating 0 % -100 % - 0 % ramp (o on display)
•
Slow repeating 0 % -100 % - 0 % ramp in 25 % steps (p on display)
•
Fast repeating 0 % - 100 % - 0 % ramp in 25 % steps (pon display)
Rotary function switch in loop supply position (789 only)
• Switch in/out 250 Ω series resistor
Measuring: Toggles relative reading (sets a relative zero point)
mA Output: Adjusts output down 0.1 mA
Measuring: Toggles between Ω measure and continuity functions
mA Output: Adjusts mA output down to the next lower 25 % step
Function
position and test lead plugged into Ac jack: Toggles between