4.2
DATA
HOLD
If you need data hold when measuring, you can put on “ DATA-H ” button, it will hold the reading; if you put
the button again, data hold is not continue.
4.3 MAXIMUM VALUE HOLD
If you need data hold when measuring, you can put on “ MAX.H ” button, it will hold the maximum value; if
you put the button again, maximum value hold is not continue.
4.4 FUNCTION TRANSFORM
Put down the "FUNC." when measuring the current and voltage. Meter will be transformed between DC
and AC range. Put "FUNC." when measuring the temperature, meter will transform between ℃ and ℉
range. Put "FUNC." when measuring the diode and continuity, meter will transform among them.
4.5 RANGE TRANSFORM
The auto range is used when measuring the current, voltage and resistance. Put down the "RANGE" if
the manual range is needed. Each time you put down, range will go upward; the minimum range is
transformed if "RANGE" is put down at the maximum range. If the "RANGE" is put down more than two
seconds, auto range is used again.
4.6 BACK LIGHT
If the light is dark to make the reading difficult when measuring, you can press “ ” button to turn on the
back light, which will last for 15 seconds. Continuous pressing the button for two seconds will turn off the
back light.
NOTE:
( LED is the main source of back light. Its working current is large, although the meter has the timer
equipment (time is 15 seconds and it will off automatically after 15 seconds); often use back light will
shorten the battery life, you ’ d better not to use the back light so frequently if it ’ s not necessary.
( When the battery voltage is less than 3.8V, it will show “ ” . But if you use back light at the same time,
maybe “ ” will come up even if the battery voltage is more than 3.8V, because the working
current is higher and the voltage will decline. (When “ “ shows, the accuracy of the measurement can
not be assured.) You need not replace the battery. When you use normally (back light is not using),
“ ” will not show up. You need replace it till “ ” show again.
4.7 AUTO WARNING
If the input voltage is larger than 2V at the range and if the input current is larger than 10A, buzzer
will have a long sound
4.8 AUTO POWER OFF
( If there ’ s no any operation within fifteen minutes after power is on, meter will auto power off with five
short sounds and a long sound in a minute.
( After auto power off, if stir the transform switch or put down any button of “ FUNC. ” ,
“ DATA-H ” , ” MAX.H ” , ” RANGE ” , meter will recover the working condition. ( If presses the “ FUNC ” when
power is on, auto power off disable.
4.9 PREPARATION FOR MEASUREMENT
4.3.1 Put on the “ ON/OFF ” button. If the battery voltage is less than 3.8V, display will show “ ” , the
battery should be changed at this time.
4.3.2 The “ ” besides the input jack shows that the input voltage or current should be less than
specification on the sticker of the meter to protect the inner circuit from damaging.
4.3.3 Select a function and a range for the item to be measured through rotating the transform switch
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