2 Features and Functions
44 Keysight U1241B and U1242B User’s and Service Guide
Scanning Temperature Measurement (U1242B)
This scanning temperature measurement function allows users to measure and
display temperature T1, T2 and T1-T2 sequentially.
1 Press and hold
(Scan) button for more than one second to enable Scan
mode. Notice the multimeter will scan through and display the value of T1, T2
and T1-T2 periodically.
2 The multimeter will set to the states for T1, T2 or T1-T2 when you disabled
Scan mode by pressing (Scan) for more than one second.
Checking Battery Capacity
The battery sign will flash when the battery voltage drops below 4.4 V. Once
the low battery sign is displayed, it is highly recommended to replace the batteries
immediately. See Battery Replacement in chapter 4.
To check the battery capacity, see the following steps:
1 Press (Bat) for more than one second to view the battery capacity. The
multimeter will resume back to normal function automatically after three
seconds.
2 The primary display illustrates the flashing bAt annunciator and the bar graph
indicates the battery capacity in proportional percentage from 4.2 V (0%) to
6.0 V (100%).
Figure 2-3 Battery capacity display
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