Toa VS-900DI, Инструкция по эксплуатации

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8. Key input terminal [CN4]
Connects to the keys that correspond to the
master station's [C], [PTT], and [XFER] keys, and
the [Test] key.
9. RS-232C D-sub type connector (female type)
[CN3]
Used to program data corresponding to each
VS-900DI's terminal.
10. In-use indication output terminal [CN5]
An open collector output that transmits "make"
signals while the VS-900DI is in use.
11. Connector for VS-910DI card [CN1]
Connects to the VS-910DI.
12. Station address setting switch [SW6]
Sets the station address number depending on
the line connecting the VS-900DI.
13. Headset microphone sensitivity control [VR1]
A semi-fixed volume control used to adjust
headset microphone sensitivity.
14. Microphone sensitivity control [VR2]
(for the microphone connected to CN9)
A semi-fixed volume control used to adjust
hands-free microphone sensitivity.
15. Headset speaker volume control [VR3]
A semi-fixed volume control used to adjust
headset receiver volume.
16. Speaker volume control [VR4]
(for the speaker connected to CN10)
A semi-fixed volume control used to adjust
hands-free speaker volume.