Sel Button; Min/Max Button; Ran Button; Hz/% Button (In A Or V Measurement Range) - TESTBOY TV 216N Bedienungsanleitung

SEL button

Used for the zero setting for DC current measurement
(ZERO on the display).
Continue to change between different functions e.g.
continuity.
A momentary peep tone confirms pressing the button.

MIN/MAX button

Press the MIN/MAX once or more times to display the
maximum or minimum value measured, or the difference
between both.

RAN button

Press the button to switch between Auto range and manual
range switching.
Hz/% button
(in A or V measurement range)
To switch between Hz and duty cycle measuring.
The Duty-Cycle indicates the relationship between the length
of the status when switched on (duration of impulse) to the
duration of the period (pulse width modulation) for a square
wave signal. The duty cycle is specified as a dimensionless
ratio with a value from 0 to 1, or as a percentage from 0 % to
100 %.

B.L. / HOLD button

Press the B.L./HOLD button to freeze the value displayed at
present.
Press and hold the B.L./HOLD button to switch on the
background lighting.
Setting on the current range also switches on the lighting at
the measurement point.
®
Testboy
TV 216N
Operation
,
45