Key attributes
B3S fiber optic Visual Fault Locator
Adopt new ergonomics design; support adjustable luminous power; support alkaline battery, portable battery, computer, adapter, lithium battery power supply mode; support lighting function, convenient field, machine room, night and other dark environment to check the line construction.
1、Long press Fn key 2 seconds to boot, after boot long press this key can switch red light gear, in turn is weak, medium, strong cycle switch, when shutdown automatically save the last use gear (B3S-05 model does not support switching red light gear).Press this button to switch to red flash mode after boot, press again to shut down.
2、In the dark environment, according to the light key, lighting function can be realized. Short press once to turn on the lighting, long press to turn off the lighting.
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