ABACOM Technologies TX-AUDIO-24/AE-D Podręcznik - Strona 4

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Description of Main board components

Name

VOLUME

3.5mm STERO JACK

AUDIO_OUT Dx

AUDIO_OUT Sx

Vdc_GND Supply

TACT_SW

USER_BIT

CT_INU

DIP SW

DIP Switch identification: Transmitter and Receiver

Default: All switches OFF. Please refer to RF module manuals for further details

DIP Switch #

Description

FORMAT

CH-MODE

ID0

ID1

ID2

ID3

SW0

SW1

SW2

ABACOM Technologies, Inc.

Description

Stereo headphones amplifier volume control

Stereo headphones amplifier volume output decoupled via 100uF capacitors

Module DAC_R output decoupled via 10uF capacitor

Module DAC_L output decoupled via 10uF capacitor

Supply voltage jack. 7Vdc to 12Vdc, center positive

Pushbutton to change channel. Connected to TACT_SW pin of the receiver module

Pin to output serial data, connected to USER_BIT pin of the receiver module

Pin connected to CT_INU pin of the receiver module

10 Position DIP switch. Each switch is connected to the same named pin on the receiver

module. When the switch is closed (ie ON position), the associated line is pulled low.

Out of Band signal test

Signal Scrambling

Selects Tact channel select mode or DIP switch channel select mode.

Used to configure system ID. Only systems with the same ID will output the

transmitted audio signal. 16 possible combinations,

Channel select relative to DIP switch 3. The setting of DIP switch 3 determine

whether these are active or not. Active when DIP switch 3 is in DIP mode.

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