Rev.200612
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5-5.High Voltage Mode (100V to 1000VAC)
• If the tester detects voltage within the defined detection range, the tester will light a steady red LED and the beeper
will beep rapidly
• The green range LED indicates that the tester is working in High Voltage Mode. While the tester is on, place
the tip of the tester near an AC voltage.
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5-6.Low Voltage Mode (12V to 1000VAC)
• If the tester detects voltage within the defined detection range, the yellow LED will turn off, the red LED will flash
•The yellow range LED indicates that the tester is working in Low Voltage Mode. While the tester is on, place the
tip of the tester near an AC voltage.
and the beeper will beep.
• The flash rate and beeping rate will increase as the tester gets closer to the voltage source.
• If the tester detects high voltage, the red LED will change to a steady glow and the beeper will beep rapidly.
5-7.Change Voltage Range Mode
•Press the “R” (Range) Button when the tester is on and in NCV mode. The tester will change the voltage range
mode between low voltage mode and high voltage mode.
5-8.Low Batter
•The yellow range LED indicates the tester is working in Low Voltage Mode. The green range LED indicates the
tester is working in High Voltage Mode.
y Indication
• Replace the batteries if the range LED does not turn on.
• When the tester is on and the batteries are too low for reliable operation, the beeper will beep three times and the
range LED will turn off indicating the tester is not operational.
• Replace the batteries to restore operation.
5-9.Auto Power Off
• To conserve battery life, the tester will automatically turn off after approximately 5 minutes of inactivity.
• When powering down, the beeper will beep twice and all LED will turn off.
5-10.Flashlight
• Momentarily press the Flashlight button to turn the flashlight on or off.
• To conserve battery life, the flashlight will automatically turn off after approximately 5 minutes.
• The beeper will beep twice as the flashlight turns off.
5-11.Worklight
• Press and hold the ON/OFF button for approximately two seconds when the tester is in NCV mode. The tester
will turn the work light on or off.
6.Changing Batteries
1.Carefully unscrew battery cap at the rear(flashlight end)of the tester.
2.Replace batteries with two AAA 1.5V batteries. Observe polarity.
3.Carefully align cover with tester as shown below.
4.Screw cover onto tester until it feels tight. Do not use excessive force.
5.Verify operation by using the tester on a known live AC voltage within the defined detection range of the tester
• The status of the work light can only be changed by a long press of the ON/OFF button
NOTE: The tester cannot determine the actual voltage. The voltage level where the tester switches from the low to
high voltage mode is affected by insulation type and thickness, distance from the voltage source, and other factors.
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7.Care and Maintenanc
NOTE: When batteries are loaded for the first time, please remove the white, rectangular security strip before
installing batteries.
NOTE: When replacing the batteries, be sure to secure the cap firmly to maintain IP67 water and dust protection.
Aloose or overtightened battery cap may compromise water and dust protection.
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• Wipe the dirt with a soft cloth dampened with pure water
• Do not immerse the instrument in water.
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• Do not use aggressive cleaning agents or solutions.
• Do not mix different types of batteries such as alkaline, carbon-zinc, or rechargeable batteries.
• Handle the instrument with care.
• Please take out the battery when the instrument is not used for a long time.
Observe correct polarity
when installing batteries.
Push IN and Rotate Cap
back onto Tester Body
End of the Tester Cap with springs to align
