Aiphone JV-1MD - Operation While Calling or Monitoring; Adjusting Screen Brightness; Adjusting Receiving Volume; Using Press-To-Talk (for Areas with High Ambient Noise)

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Operation while calling or monitoring
Adjusting screen brightness
Instruction video
https://www.aip-info.net/file/manual/j/JV-1MD/JV-1MD_OP/JV-1MD_OP_EN/content/attachments/110603877/110603881.mp4
NOTE
 The default value is 3, with a minimum of 1 and a maximum of 5.
Adjusting receiving volume
The receiving volume can be adjusted while in communication.
Instruction video
https://www.aip-info.net/file/manual/j/JV-1MD/JV-1MD_OP/JV-1MD_OP_EN/content/attachments/110603884/110603890.mp4
NOTE
 The default value is 2, with a minimum of 1 and a maximum of 3.
Using press-to-talk (for areas with high ambient noise)
Press-to-talk is a method of communication which gives the user manual control of incoming and outgoing volume.
Press-to-talk is recommended in loud or noisy environments.
Instruction video
https://www.aip-info.net/file/manual/j/JV-1MD/JV-1MD_OP/JV-1MD_OP_EN/content/attachments/110603892/110603898.mp4
NOTE
 Press-to-talk is cancelled when the communication ends.
 It cannot be set as the default communication mode.