UNI-T UT568A Operating Manual page 14

An Image Annotation is an additional image attached to the file. Examples
include an image of a label or character. After the Image Annotation is selected,
press the Function button to capture an image, and then tap the icon in upper
right corner to save the annotation. Tap the right icon to delete the captured
image. Tap the bottom right corner to select the image resolution (1920*1080,
1280*720 or 640*480).
An Audio Annotation is an additional audio attached to the file. Examples
include a person's voice or any other voice on the scene. After the Audio
Annotation is selected, press the Function button to use the microphone to
record a single channel audio. To improve recording, the microphone array can
be placed close to the sound source or the person who is speaking. Press the
Function button again to stop recording. Tap the Save icon to save the audio.
A Text Annotation is an additional text attached to the file. Text annotations can
be added by using the keyboard or scanning the QR code. After the Text
Annotation is selected, tap the Keyboard icon, and then tap the input box to pop
up the keyboard. Use the keyboard to input texts, symbols, letters, etc. Tap the
Save icon to save the text annotation.
After the Text Annotation is selected, tap the QR code icon, and the product will
activate the camera and scan the QR code. After the QR code is identified, the
text information contained in it will be displayed. Tap the Save icon to save the
text annotation. Tap "Reidentify" to reidentify the QR code.
Acoustic Testing
Dynamic Range
Adjust the dynamic range by sliding the slider or tapping the color palette bar
to view the quick adjustment box.
Cursor and SPL
The cursor function can be enabled or disabled.
When the cursor and SPL functions are enabled, the cursor will be displayed in
the video area, and the cursor number is displayed below it. The acoustic image
energy at the point of the cursor is displayed below the upper right image/video
icon. If three cursors are set, the SPLs of the No.1, No.2, and No.3 cursors are
displayed from top to bottom. The number of cursors can be set in System
Settings->Tools->Number of Cursors. The maximum cursor number is 3.
Video Recording with Sound
When this function is enabled, the product can record videos with sound.
Ultrasonic Monitoring
The product can modulate the signal of ultrasonic frequency to the audible
frequency range, and can monitor the signal with earphones.
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