Tilswall FY8233X, User Manual

Live Wire Test

Turn the function knob to the Live position, and insert the red test 

lead into the 

    VΩmA 

, insert the red test lead into the power 

socket, and the meter displays Live, which indicates that it’s the live 

wire.

Usage 

Precautions before operation:

1. Connect the power and check the 1.5V batteries first. If the 

battery voltage is insufficient, “   ” will be displayed in the on the 

screen, and the battery needs to be replaced. If “    ” is not displayed 

on the screen, then follow the steps below.

2. The “     ” mark next to the test lead input jack indicates that the 

input voltage or current should not exceed the indicated value, 

which is to protect the internal circuit from damage.

3. Before measuring, the function range switch should be set to the 

range you need.

DC Voltage Measurement

1. Insert the red test lead into the “      

VΩmA

” jack, and the black 

test lead into the “COM” jack.

2. Set the function range switch to the V        and connect the test 

leads to the power supply or load, the polarity of the red test lead 

will be displayed on the screen at the same time.

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