Fluke 863 - Page 30

867B/863
Users Manual
2-2
Table 2-1. Common Combo/Meter Mode Softkeys
KEY FUNCTION DESCRIPTION
1
Rel
Start relative readings in the primary display (REL is displayed). The relative reference (stored
when “Rel” is selected) appears with the softkey.
2
Peak
Hold
Peak Hold displays the highest and lowest peak values encountered in the present measurement
function. These values replace either the secondary reading in Meter Mode or the graphical
display in Combo Mode.
3
rms
Average
Toggle between true “rms” (“rms” annunciator on in display) and “Average” (average responding,
rms indicating - no annunciator) readings in any ac function. The rms/Average selection remains
in effect until you change the selector position. The rms/Average settings made in one display
mode are automatically made for other display modes in the same selector position. “Average” or
“rms” can be set as the standard selection on the SET UP display.
3
DC &
AC rms
In VDC or mV DC, use the full display to show the numerical “DC” and “AC rms” values. Press
3
again to return to the original display.
4
dB
Show dBm values in the primary display. The “dB” value shown above this softkey identifies the
resistance used in computing dBm; 600
Ω
is the standard value. You can change this value from
the SET UP display. (Rotate the selector to SET UP, change the reference selection, then rotate
the selector back to the original ac function.)