Tektronix Blood Glucose Meter 524A User Manual

2Ć24

H

Ground (GND) coupling disconnects the input signal from the acquisition.

H

Input impedance lets you select either 1 M

W

 or 50 

W

 impedance.

If you select 50 

W

impedance with AC coupling, the digitizing oscillo-

scope will not accurately display frequencies under 200 kHz.

See 

Scaling and Positioning Waveforms, on page 2-25.

See 

Acquisition Modes, on page 3-3.