KFL-11M Visual Fault Locator Manual
External and key function description
1
On/off key
3
4
Laser connector
2
Ceramic ferrule
1
Silicone cap
2
LED light: flashlight lighting
USB charging port
3
4
Open the dust cap and
insert the tested fiber into the
laser connector.
Long press " " to turn on the device, the
red indicator light will light up, and the laser will
output continuous wave at the same time;
（If the optical fiber is connected, red light can
be seen at the end of the fiber under normal
circumstances; If the fiber is disconnected, there
is no red light output at the end of the fiber)
Short press the power button, the indicator
light flashes, and the laser pulse wave is output at
the same time; short press again to turn off the
red light.
Under normal circumstances, it will auto-
matically shut down if there is no operation for
15 minutes to extend the battery life.
Flashlight switch: long press
the " " button to turn on the
flashlight, which is convenient to
use in a dark environment and
realize the lighting function; short
press the " " button to turn off
the flashlight.
1
2
3
7
6
4
5
On/off key
Indicator light
5
6
LED lighting switch
7
LED flashlight
(干电池款不可充电)
