User`s guide

Introduction 1
Your LCR Meter in Brief
U1731C/U1732C/U1733C User’s Guide 15
Keypad
The operation of each key is explained below. Pressing a key
enables a function, displays a related annunciator, and emits
a beep.
Each key operation of the U1731C/U1732C/U1733C keypad
(shown in Figure 1- 7) is described in Table 1- 5. Click the
respective “Learn more” pages in Table 1- 5 for more
information on each function.
Table 1 - 5 Keypad functions
Legend
Function when pressed for:
Learn
more on:
Less than 1 second More than 1 second
Turns the LCR meter on or off. - page 5
Starts or stops the auto identification mode.
• Press again while the
annunciator is shown to exit this mode.
Enables or disables the ESR (equivalent
series resistance) mode.
• Press for more than 1 second to exit
this mode. The LCR meter will return to
capacitance measurement by default.
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Holds or releases the present reading on the
display.
• Press again to update the reading
automatically once it is stable.
• Press for more than 1 second to exit
this mode.
Starts or stops the static recording mode.
• Press again to cycle through the
maximum (Max), minimum (Min), average
(Avg), and present (MaxMinAvg)
readings.
• Press for more than 1 second to exit
this mode.
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ESR
Rec
Hold
Save
Rec
Hold
Rec
Hold
Rec
Hold
Rec
Hold