IBSG AMT-07M, Руководство по эксплуатации, Страница: 10 / 13

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“ZERO” mode description.
The intrinsic function for background level compensation (“ZERO” mode) is
used for amplification and measuring the difference between the current signal
level and the signal taken for the zero level.
Using the start/stop button “ZERO ON/OFF” (10) this mode can be switched.
The appropriate green LED indicator will be turned and the current signal is taken
for the zero level in power up time.
Fig.11.
The start/stop button and LED indicator of “ZERO” mode.