142 Keysight B2980B User’s Guide, Edition 1
Front Panel Reference
Display and Assist/Function Keys
B2985B/B2987B
Display area 1. Latest measurement data
D1. Primary measurement data. Turns orange if the data exceeds the Limit
value.
D2. Secondary measurement data. Turns orange if the data exceeds the Limit
value.
For the limit test, D2 displays PASS or FAIL instead of the measurement data.
Charge measurement (B2985B/B2987B)
B2985B/B2987B can perform the charge and voltage measurements at the same
time, but cannot perform the charge and current or resistance measurements at
the same time.
2. NULL (Offset Cancel), ZC (Zero Correction), FILT (Filter), MATH (Math), and OC
(Over Current) indicators. Examples are shown below.
NULL: If the null (offset cancel) function is effective.
ZC: If the zero correction function is effective.
FILT: If the measurement filter is set.
MATH: If the math function is effective.
OC: If over current is detected in the voltage source.