Altair WBS-200 Spezifikationen PDF herunterladen (Seite 19)

WB-200 SERIES INTERCOM SYSTEM — WBS-200 DUAL CHANNEL WIRELESS BASE STATION

CHANGING THE MIC GAIN

The microphone preamplifier gain can be configured with an internal jumper (JP1, MIC GAIN,

placed at the front left corner of the main PCB of the unit) in 30 or 40 dB. With the jumper opened

the gain of the microphone preamplifier is 30 dB, and with the jumper closed the gain is 40 dB

(factory set-up).

MICROPHONE PREAMPLIFIER MICROPHONE PREAMPLIFIER

GAIN SET UP TO 30 dB. GAIN SET UP TO 40 dB.

ACTIVATING THE MICROPHONE PHANTOM POWER

The microphone PHANTOM power can be activated or disabled with an internal jumper (JP3,

MIC PHANTOM, placed at the front left corner of the main PCB of the unit).

With the jumper open the PHANTOM power is disabled, and with the jumper closed the

PHANTOM power is enabled.

If an electret microphone is used, the PHANTOM power must be enabled and if a dynamic

microphone is used, the PHANTOM power must be disabled. The microphone PHANTOM power is

9 VDC.

PHANTOM POWER PHANTOM POWER

DISABLED. ENABLED.

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Altair WBS-200 Spezifikationen Seite 19