NOYAFA NF-308 - Manual (Page 5)

Main Functions and features
One person enough to complete cable continuity check.
Directly hunt 5E, 6E, telephone wire, coaxial cable, USB cable
and other cables.
Check wiring error in 5E, 6E, coaxial cable, such as open circuit,
short circuit, jumper wire, reverse connection .
Locate the wiring or connection error.
Measure cable length and determine the distance of open
circuit and short circuit.
Dynamically calibrate cable length and make length measurement
as accurate as 98%.
Simple and easy use. Big screen to display test result clear.
Portable unit with long battery life (wait-case 50 hours).
Automatically time-delay shut off and backlight display function.
Measure length and pair with or without far-end recognizer.
Far-end recognizer with prompt voice.
Self-checking function and automatically compensate any change
in battery capacity or ambient temperature.
Single board computer software watchdog design and reliable
operation.
Technical indexes
Overall dimension
Main tester: 185Ч105Ч50mm; receiver: 218Ч46Ч29mm;
Remote identifier: 84Ч34Ч27mm.
Power
Two laminated batteries of 9V.
Display
Big LCD screen: Special 4 x 16 character
( valid visual field 61.6 x 25.2 mm).
Type of cable tested
STP/UTP twin twisted cable, coaxial cable, telephone line.
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02 Your excellent helper in cable test!