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XtremeMac AirPlay IA-AIR-00 Manual

Fm transmitter
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FCC ID: STQAIR00
Introduction
IA-AIR-00 is a stereo audio signal transmitter over FM band. It works as a slave device of
controlled by the digital command from
bands. The two bands are hardware programmable by factory jumper setting of open and short. One is 88.1 to 107.9
MHz for U.S. The other one is 76.0 to 96.0 MHz for Japan. Both are in the step of 200 kHz.
Features
a.
A LCD displays 4 digits in 7-segment format with one decimal place. Digits show the transmission
frequency in the unit of MHz.
b.
Two buttons to adjust the transmission frequency.
c.
A DC power rates 3.3 Volts and 60mA whose is from the external device (No battery cell is needed or
built-in).
d.
Stereo analog audio input is from external device.
e.
The operation mode of IA-AIR-00 is controlled by external device.
Model:
Description:
Date:
iPOD
through UART interface. It operates in either one of the two frequency
IA-AIR-00
FM Transmitter
30.Nov.2004
iPOD
and

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Summary of Contents for XtremeMac AirPlay IA-AIR-00

  • Page 1 FCC ID: STQAIR00 Model: IA-AIR-00 Description: FM Transmitter Date: 30.Nov.2004 Introduction iPOD IA-AIR-00 is a stereo audio signal transmitter over FM band. It works as a slave device of iPOD controlled by the digital command from through UART interface. It operates in either one of the two frequency bands.

  • Page 2: Block Diagram

    FCC ID: STQAIR00 Description The ID appearance of IA-AIR-00 is shown in Figure 1 and 2. The functional block diagram of IA-AIR-00 is iPOD depicted in Figure 3. And the schematic is shown in Figure 4. The first stage is the transmitter plug-in and is tuned with the selected frequency.
  • Page 3 FCC ID: STQAIR00 Appearance Figure 1 Figure 2...

  • Page 4: Operation

    FCC ID: STQAIR00 Operation The default frequencies are 88.1MHz for US. Pressing the two buttons “ ＋ ” or “ — ” step the transmission frequency up or down respectively. Holding down the two buttons “ ＋ ” or “ — ” for 3sec will accelerate the stepping frequency. IA-AIR-00 will turn on and start transmission for receiving the “Begin Transmission”...