Icom VE-PG4 Operating Guide ver.1.36 - Page 193
Power for the Microphone, Always-ON, Control Signal
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7 Connection Port Settings EXT I/O (EXT) screen Connection Port Settings > EXT I/O (EXT) ■■EXT Input Settings 6 7 8 9 10 11 12 13 14 15 16 17 7 Input Control Select the control type to send the audio signal.(Default: Control Signal) •• Always-ON: Always sends the audio signal to the destination selected in the Input Connection Port (7). LLWhen "Emergency" is selected in Input Connection Port (7), this option cannot be selected. •• VOX: When an audio signal is input, sends the audio signal to the destination selected in the Input Connection Port (7). •• Control Signal: When the control signal is input, sends the audio signal to the destination selected in the Input Connection Port (7). 8 Power for the Microphone Select "Enable" to supply the voltage to the microphone connected to A3/A4 terminal (Audio input) microphone. (Default: Disable) 9 Reference Level Select the input line A3/A4 terminal (Audio input) sensitivity. (Default: -10dBs) •• Options: -10 dBs or -40dBs A1~A4 B1~B4 C1~C4 A1~A4 B1~B4 C1~C4 A1~A4 B1~B4 C1~C4 A1~A4 B1~B4 C1~C4 Refer to the INSTALLATION GUIDE Section 6 for the port details. 7-39
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