Fluke 789 - Manual (Page 22)

789
Users Manual
14
Table 6. Pushbuttons (cont.)
No. Pushbutton Function(s)
G
FINE
h

Measuring: Toggles between frequency counter and voltage measurement functions
mA Output: Adjusts output down 0.001 mA
H J
(BLUE)
(alternate
function)
Rotary function switch in
W
position and test lead plugged into Ac jack: Toggles between
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
• Switch in/out 250 Ω series resistor
I
COARSE
r

Measuring: Toggles relative reading (sets a relative zero point)
mA Output: Adjusts output down 0.1 mA
J % STEP
G

Measuring: Toggles between Ω measure and continuity functions
mA Output: Adjusts mA output down to the next lower 25 % step