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3-8
Input/Output Terminals
input. Switch the input mode on the Setting page ("Audio Input" in Operation Guide). The factory
setting is LINE IN.
When LINE IN is selected, a microphone with amplifier can be connected.
When MIC IN is selected, a dynamic microphone or capacitor microphone can be connected.
Input terminal: Φ3.5-mm mini jack (monaural)
• Dynamic MIC IN setting
Input impedance: 1.75 kΩ± 20%
* Supported microphone
Output impedance: 400Ω ~ 600Ω
• Capacitor MIC IN setting
Input impedance (microphone bias resistance): 2.2 kΩ±
20%
Microphone power supply: Plug-in power (voltage: 1.8 V) method
*Supported microphone
Capacitor microphone of plug-in power type
• LINE IN setting
Input level: 1 Vp-p max.
* Use a microphone with amplifier.
Audio Output Terminal LINE OUT (Monaural Output)
Connects the camera to an amplifier with speaker. Audio can be sent from VK-Lite Viewer to a
speaker. Only the administrator can access this terminal.
Output terminal: Φ3.5-mm mini jack (monaural)
• Output level: 1 Vp-p max.
* Use a speaker with amplifier.