Toa VP-2241, Инструкция по эксплуатации

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Chapter 2: PRODUCT DESCRIPTIONS
2. NOmENclATurE AND fuNcTIONS
2-13
2.7. Audio Input Module with Control input VX-200XI
GAIN
HIGH LOW
C F C F
[Front] [Side]
2
5
3
4
1
1. Gain control [GAIN]
Adjusts the input sensitivity level.
2. Treble control [HIGH]
Adjusts the input signal level in high frequencies.
The control is factory-preset to "f" (flat) position.
Turning it toward "c" (cut) position reduces high
frequency elements of a signal.
3. Bass control [LOW]
Adjusts the input signal level in low frequencies.
The control is factory-preset to "f" (flat) position.
Turning it toward "c" (cut) position reduces low
frequency elements of a signal.
4. Input connector
This rJ45 connector connects to the audio and
control signal wiring.
Signal wires to be connected are as follows:
1: control input (+)
2: control input (–)
3: Nc
4: Audio in (c)
5: Audio in (H)
6: Nc
7: Nc
8: Nc
The control input terminals have a built-in
photocoupler that permits internal modification for
insulation. for the modification instructions, refer
to
p. 8-22 .
5. Setting DIP switch
Sets the input sensitivity (mIc: –70 dB* or lINE:
–20 dB*) and phantom power ON/Off.
for the settings, refer to
p. 8-21 .
The VX-200XI module connects to TOA's Paging microphone (example: Pm-660u) or other sound source
equipment with both audio and control outputs.
The audio input sensitivity can be set to either –70 dB* or –20 dB* using the internal switch.
Insert the VX-200XI module into the input module slot of the VX-2000 System manager when designated for
use.
* 0 dB = 1 V