Specifications - Wavetek Meterman LP10A Operator's Manual

SPECIFICATIONS

Input signal
TTL: > 2.3 V ± 0.2 VDC
Logic "1"
CMOS: >70 % Vcc ± 10%
TTL: < 0.8 V ± 0.2 VDC
Logic "0"
CMOS: <30 % Vcc ± 10%
Bad Logic Level or Open circuit
Square Wave
Square Wave
Levels
< 200 Hz
> 200 Hz
LED's
HI (Red) ON
HI (Red) ON
LO (Green) ON
LO (Green) ON
none
HI and LO blinking
at frequency rate
HI and LO may or
may not be ON
7
BEEPER(LP25A)
Fixed Tone
Fixed Tone
No Tone
Variable Tone
at frequency rate
Variable Tone
at frequency rate