CMF800 digital frequency keyboard setup counter 1.Dual 6-digit LED indicators 2.Multiple operation ... CEFeatures :1. Five operate mode is optional: counter, frequency meter, timer, displacement meter, batch counter.;2. 1~2 preset(s), 1~2 ... channel(s)Operation methodCount-up, Count-down, Displacement meter, Batch counter, AccumulationOutput modeN, F, R, CReset / ZeroManually reset, Automatically delay ...