Display; Keys Operation; Hold/Backlight Key; Func Key(Select) - Mastech MS8301D User Manual

(7) All common input jacks for measuring (connected
with the black test probe).
(8) Positive input jack of voltage, resistance,
frequency/duty ratio, and continuity (connected
with the red test probe)

Display

AUTO
MIN
MAX
(1)Direct voltage indicator
(2) Numerical value polarity indicator (negative sign)
(3) Alternating voltage indicator
(4)Battery low-voltage indicator
(5)Automatic measuring range indicator
(6) Data hold indicator
(7) Continuity measurement indicator
(8) Measurement unit
(9) Measurement display value
kHz%
NCV
V
06

Keys Operation

Hold/Backlight Key

Press the key to hold the reading on the display. Press the
key again to release the hold .Press the key for 2 seconds
to turn on the backlight.Press the key for 2 seconds again
to manually turn off the backlight.
FUNC Key (select)
Press the key to switch between functions or between
AC/DC voltage.

MAX/MIN Key

Press the key to show the maxinum reading value
among measuring data, and the "MAX"symbol appears
on the display, press the button again, the "MIN"
symbol appears on the display and will show the
minimum reading value among measuring data, press
the button again to return to normal mode.

NCV Key

Press the key down in any mode and the meter will
activate the non-contact voltage detection. Hold the
meter up to a voltage source and the buzzer will sound
and the NCV indicator will light up if voltage is detected.
Release the "NCV" key to stop NCV detection.

Automatic Power-Off Function

In the measurement process, if there is no activity
by the function key or function selection switch for
15 minutes, the meter will automatically shutdown
07