Prokit's Industries MT-1860 - Manual (Page 5)

4
4. Please don’t change the circuits of the meter freely for fear that the meter be dam-
aged and the safety be endangered.
Description of Safety Symbols
Warning! Battery Under voltage
High Voltage! Danger! AC/DC
Ground In accordance with the instructions
of European Trade Union
Double Insulation Fuse
Description of Instrument Panel and Push button Functions
1. Instrument model.
2. LCD display area.
3. Function button: Used to select various
measurement functions.
3- “Hold” backlight switch and reading-keeping
switch. If the switch is pressed over 2 seconds,
the backlight turns on. Further press the switch
over 2 seconds, the backlight turns off or
automatically turns off after 0 seconds.
Pressing the switch within 2 seconds could lock
or unlock the data retention. Press the switch
once to lock and press it again to unlock.
3-2 Hz/DUTY: Press the key in the gear of
frequency can switch between the frequency
and the Duty Cycle.Press the key in the gear
of AC Voltage or AC Current can switch among
the voltage, current, frequency and duty cycle.
3-3 MAX/MIN: The maximum value and minimum value.
Press the function button and enter MAX mode, in which the maximum value is held;
press the button again to enter MIN mode, in which the minimum value is held. After
the MAX/MIN mode is entered, the display device indicates the MAX/MIN value. No
analog bar display and auto power off function in this working environment. Press
CAT ll
VΩ Hz
10A
COM mA
10A
10sec MAX
FUSED
MAX
600mA
FUSED MAX
1000V DC
750V AC
Ω
m
A
A
DC
/A
C Hz/
C˚/
F˚
AUTO POWER OFF
POWER REL/RS232
MAX/MIN Hz/DUTY HOLD RANGE
TEMP
DC
V
AUTO
APO
2
3-
3-2
3-3
3-4
3-5
4
4
6
7
9
8