Keysight U1281A/U1282A Quick Start Guide
7
Keysight U1281A/U1282A Quick Start Guide
7
Using the Keypad
Legend
Key response when pressed for:
Less than 1 second
More than 1 second
– Starts the Max/Min/Avg
recording
– Switches between the
Max/Min/Avg recording
modes
– Stops the Max/Min/Avg
recording
– Starts and stops the
Peak recording
Sets the Null/Relative mode
Enables and disables the
non-contact voltage
detection – Vsense
[a]
Sets a manual range
Enables autoranging
Enables the frequency test
mode for current or voltage
measurements
Starts and stops data
logging
Turns the backlight on/off
Activates and deactivates
the dual display mode (if
supported by the
measurement)
Switches between the
regular and shifted (icons
printed in
orange
) functions
Enters the Log Review
menu
– 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
Exits the TrigHold mode
[a] For the U1282A only
MaxMin
Vsense
Range
Hz
Save
Esc
Shift
Hold