Fluke 867B User Manual page 28

KEY FUNCTION
5
Full
The GMM automatically selects range, trigger level, and time base (in VAC and VDC for an
Auto
optimum display. If "Manual" is selected for Range in the SET UP screen, "Full Auto" does not
come on. Selecting "Manual" from the Range Softkeys deselects "Full Auto".
5
Hi Z Enter the high input impedance mode in mV DC. "Hi-Z" appears at the top of the display. Press
again to return to "mV". Activating "DC & AC rms" automatically cancels "Hi-Z". You cannot use
Peak Hold with HiZ.
5
AC
Toggle between "DC" and "AC" amps or mAµA measurements. "DC" is the standard
DC
configuration.
4
/
Activate the beeper for continuity or Manual Diode testing; a beep then sounds each time the
voltage drop passes below 0.7V (Continuity) or the logic activity indicator flashes (LOGIC
Testing). A short circuit results in a continuous tone. If the reading goes above 30 volts, a
possibly dangerous voltage exists on the inputs but is not displayed. Therefore, the safety
indicator (l) lights.
Table 2-1. Common Combo/Meter Mode Softkeys (cont)
Making Measurements
DESCRIPTION
2
Introduction
2-3