UNI-T UT568A Operating Manual page 16

Acoustic imager
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Low Power Consumption
The product can be set to low power consumption mode and enable the
automatic sleep function.
If no operation is performed within the specified period, the product
automatically enters the sleep mode. When the product is in the sleep mode,
the power indicator will flash. Press the Power button or the Function button to
quickly wake up the product and enter the test interface.
The auto power off function can be set only when the automatic sleep function
is enabled.
After the auto power off time is set, the product will shut down automatically if
it enters the sleep mode and does not wake up after the period of time.
Tools
When the log export function is enabled, the product operating logs will be
exported to the TF card. Operating logs are used by manufacturers to check
product status and are not required by users.
Number of cursors is used to adjust the number of dynamic cursors that can be
displayed. The maximum number is 3.
Sensitivity is used to set the minimum sensitivity of cloud image, which can limit
the cloud image energy to be higher than the sensitivity. With this function
enabled, the slider can set a sensitivity threshold.
About
The product model, serial number, software version and manufacturer can be
viewed.
Tap "Check for Updates" to install the new version of software. The product will
check external storage (TF card) for available software packages. Select the
software package to be installed to upgrade the software version.
Partial Discharge Pattern
Tap the Partial Discharge Pattern menu to enable and display the partial
discharge pattern. The AC frequency can be 50Hz or 60Hz. The partial
discharge pattern is shown in the following figure. By observing the
characteristics of the pattern, users can identify the discharge type.
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