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Designed for easy operation of dual digital fiber amplifiers.

Dual display digital amplifier
NPN / PNP (N.O. / N.C.) 4 in 1
1. Two buttons to complete all settings.
2. Auto teaching.
3. Lock.

Function (mode):
Output mode、Delay time、Timer 、Lock
Second function (mode):
Response speed、Inverted display、Factory default

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