15
5.4.8. CN8 headset connection
• Use the headset with microphone sensitivity of –75 to –65 dB and speaker impedance of 200 to 400
Ω
.
• Whether to insert a headset for response or to add a switch for response can be selected at the time of
connection. The connection is as follows.
• If adding the switch, use the devices connected to CN8's Det. And G terminals as switches.
• If the headset microphone is of dynamic type, cut the jumper SJP1.
• Adjust the semi-fixed control VR1 for optimum microphone sensitivity.
• Adjust the semi-fixed control VR3 for optimum speaker sound volume.
VS-900DI
CN8
R(+)
T(–)
Det.
G
E
GND
R(–)
T(+)
GND
Speaker
Mic.
Safty Earth
5.4.9. Earth grounded connection
Be sure to connect the earth ground from E terminal of CN8 screwless terminal as illustrated above.
Содержание VS-900DI
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