RS PRO 204-8305, Instruction Manual

5

6

Symbols Used on LCD display

V

Volts

A

Amperes

~

Alternating  voltage and current
Direct voltage and current

~/=

Alte Direct voltage

-

Minus sign

Ω

Ohms

Continuity
Diode test

F

Farads (capacitance)

Hz

Hertz (frequency)

%

Percent (duty ratio)

°F

Degrees Fahrenheit

°C

Degrees Centigrade                     

n 

nano (10

-9

) 

µ

micro (10

-6

)

m 

milli (10

-3

) 

k 

kilo (10

3

) 

M 

mega (10

6

)

OL

Overload 
Auto Power Off
Battery Indicator

LOG M

Manual data Memory

LOG A

Automatic data Memory

AUTO

Autoranging

HOLD

Display hold

MAX/
MIN/AVG

Maximum/Minimum/
Average

Lo Z 

Low  impedance  test
Low pass filter

REL 

Relative
Bargraph display
Bluetooth

Professional True RMS Digital Multimeter/ English

RANGE/- button

The Autorange mode automatically selects the proper range for the measurement being made 
and is generally the best mode for most applications. For measurement situations requiring 
that a range be manually selected, perform the following:
1. Momentarily press the RANGE button. The “AUTO” indicator will no longer be shown on 
the LCD display. 
2. Momentarily press the RANGE button to step through the available ranges until the desired 
range is selected. 
3. To exit the Manual Ranging mode, press and hold the RANGE button until the “AUTO” 
indicator reappears.

The Autorange mode automatically selects the proper range for the measurement being made 
and is generally the best mode for most applications. For measurement situations requiring 
that a range be manually selected, perform the following:
1. Momentarily press the RANGE/- button. The “AUTO” indicator will no longer be shown on 
the LCD display. 
2. Momentarily press the RANGE/- button to step through the available ranges until the 
desired range is selected. 
3. To exit the Manual Ranging mode, press and hold the RANGE/- button until the “AUTO” 
indicator reappears.
4. “-” reduce value .
5. IN the data logger mode, press the RANGE/- button, the time interval of the automatic 
storage record is reduced
6. In time and date settings, press the RANGE button, the number of flickering will be 
reduced.

NOTE

: The range botton does not work on Frequency, Duty Cycle, Continuity, Diode test 

and Temperature. 

MODE/Bluetooth Button

Momentarily press the MODE 

button to select AC or DC, Frequency or Duty Cycle, 

Resistance, Continuity or Diode Test and °C or °F.
Bluetooth allows readings to be displayed and stored on mobile devices. To activate Bluetooth 
, press and hold the MODE 

button until the “ ” symbol appears on the LCD display. 

Bluetooth should be disabled when not connected to a mobile device in order to conserve 
battery power.  To turn off Bluetooth, press and hold the MODE 

button until the “ ” 

symbol no longer appears on the display. 

Professional True RMS Digital Multimeter/ English