Functional Push Button; Display Indicators - Mastech MS8240B Operating Instruction

3.2 Functional Push Button

Push button
ON/OFF Lock type Power Switch.
"FUNC" key is the function select key that
acts with trigger. Use the key as switch of
FUNC
DC/AC voltage,DC/AC current ,
Resistance/Continuity and °C/°F.
Press "HOLD" to enter and exit the hold
HOLD
mode in any mode. That act with trigger.
This key is act with trigger. Press this key
once, the maximum value is holding (Will
displays 'MAX' symbol in the LCD).
After pressing the key, A/D will keep
MAX/MIN
working, and the display value are always
up dated and kept the maximum value.
(The actual gained value is not the
peak value.).
This key is used to control Backlight.
This key is act with trigger. When press
Back light
the key, will enable Backlight for 15 sec.
*
Press the key again within 15 sec,
Backlight will disable.
Function
04

3.3 Display Indicators

FIG 2 LCD
Number Indicator Meaning
DC voltage or current
1
AC voltage or current
2
3 Diode
Maximum value
MAX
4
HOLD Data hold
5
Low battery indicator
6
7 MkΩ Ω KΩ MΩ is unit of resistance
The unit of temperature ( °C:
8 °C/°F
Centigrade; °F: Fahrenheit)
uV mV V is unit of voltage
µmVA
9
uA mA A is unit of current
Indicate negative reading
10
Capacitance Indicator
11 Cx
12 Lx Inductance Indicator
13 mH/H Inductance Units
nµmF Capacitance Units
14
05