Features and Functions 2
U1241B/U1242B User’s and Service Guide 23
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 meter will scan through and display the value of
T1, T2 and T1- T2 periodically.
2 The meter 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 meter 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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