)
position. The input connections screen appears for a few seconds,
then the screen sets up for this function, and you are ready to begin. You can toggle the backlight
power level (Model 867B only) by pressing
W
. Also note that the screen goes dark if you do not
change any controls for about 20 minutes and the GMM is on battery power; pressing
W
wakes
up the screen (all models.)
B
Combo
Meter
View
Trend
THE SCREEN
. In AC Volts, the initial screen presents a primary display of large digits, a
secondary display of smaller digits, and a graphical window showing either a waveform or an
analog NeedleGraph
™
representation of the primary display. In addition, the upper screen line
displays status information. The bottom screen line (immediately above the softkey labels) shows
the display mode, range, and other information. For example, “Combo” appears on this line if a
waveform appears in the graphical window: the GMM is in Combo Mode.
C
1
2
3
4
5
THE SOFTKEYS.
Most control settings (selector change or key press) change the softkey labels
along the bottom of the screen. These labels define the present uses for the five blue keys that
are positioned immediately below the screen. Together, the labels and the keys form a set of
Softkeys. These changing softkey definitions allow direct access to a wealth of GMM capabilities.
Refer to Figures 1-6, 1-7, and 1-8 at the end of this chapter for a roadmap to softkey use.
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