ICP-401UHD User Guide
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8.8.4 Selecting audio input channel
Menu
Top
→
AUDIO
→
AUDIO SELECT
Setting value AUTO : Audio of the frontmost video is output [Default]
OFF : No audio
IN1 : Input channel 1
IN2 : Input channel 2
IN3 : Input channel 3
IN4 : Input channel 4
You can select the input channel that outputs audio.
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8.8.5 Test tone
Menu
Top
→
AUDIO
→
TEST TONE
Setting value OFF [Default], 1000Hz, 400Hz
You can output test tone.