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Using the Keypad
Legend
MaxMin
Vsense
Range
Hz
Save
Shift
Esc
Hold
[a] For the U1282A only
Keysight U1281A/U1282A Quick Start Guide
Key response when pressed for:
Less than 1 second
– Starts the Max/Min/Avg
recording
– Switches between the
Max/Min/Avg recording
modes
Sets the Null/Relative mode
Sets a manual range
Enables the frequency test
mode for current or voltage
measurements
Turns the backlight on/off
Switches between the
regular and shifted (icons
printed in orange) functions
– Freezes the present
reading in the display
(TrigHold mode)
– Automatically freezes the
present reading when
certain conditions are met
(AutoHold mode; when
enabled from the
multimeter's Setup mode)
– Exits the AutoHold mode
– Stores a record of the
measured signal and
exports it via the
multimeter's optical
communication port
More than 1 second
– Stops the Max/Min/Avg
recording
– Starts and stops the
Peak recording
Enables and disables the
non-contact voltage
[a]
detection – Vsense
Enables autoranging
Starts and stops data
logging
Activates and deactivates
the dual display mode (if
supported by the
measurement)
Enters the Log Review
menu
Exits the TrigHold mode
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