Technical data

10 U1401A User’s and Service Guide
1Getting Started
Figure 1-5 Keypad shifted functions
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9
11
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Table 1 - 4 Keypad functions
No. Key Function when pressed for less than one
second
Function when pressed for more than one
second
1 AC/DC Selects DC, AC, or AC+DC Toggles between peak hold ON or OFF for V
and mA measurement
2 HOLD If the data hold mode is enabled:
Freezes the present measured value. Press
again to trigger the next measured value.
Exits data hold mode
[1]
If the refresh hold mode is enabled:
Enters or exits the refresh hold mode
–
MAX MIN
[2]
Cycles through MAX, MIN, AVG, and present
(MAX AVG MIN) readings in dynamic
recording mode
Enters or exits the dynamic recording mode
[1]
3 REL Saves the displayed value as a reference to be
subtracted from subsequent measurements
Toggles between mV and temperature tests
4 RANGE Changes measurement range Sets to autorange
5 DUAL Cycles through different combinations of
primary and secondary displays
–
6 Hz Selects frequency (Hz), duty cycle (%), or pulse
width (ms) on the primary display
Exits selection