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MB1 User Manual
© 2016 Expert Electronics
TRANSCEIVER OPERATIONS
Note:
(
The output can be used for connection of the external power amplifiers, transverters and as a
generator of the measuring signal.
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Transmission is possible only on the amateur bands.
DAC OUT out put paramet ers:
Frequency band: 0.1...150 MHz
Transmitted signal band: 20 kHz
Impedance: 50 Ohm
Signal level: +10 dBm (max)
7.43 CTCSS Tones using
In some cases it's required to activate the squelch with the help of the CTCSS tones.
To operate in the CTCSS mode:
1. Set the NFM mode.
2. Open the NFM local panel and set the receiver's tone frequency with the RX TONE slider or
enter the required number from the keyboard in the RX TONE input box (if required).
2.а. Open the NFM local panel and set the transceiver's tone frequency with the TX TONE
slider or enter the required number from the keyboard in the TX TONE input box (if required).
3. Press one of the buttons RX/TX, RX ONLY, TX ONLY:
RX/TX - CTCSS mode is active in RX and TX modes.
RX ONLY - CTCSS mode is active in RX mode.
TX ONLY - CTCSS mode is active in TX mode.
4. Set (if required) required tone level.
By default 15% - common value for this mode.
5. Press the CTCSS button to activate CTCSS mode.
6. Receive signals with the CTCSS tone.
6.а. Press the РТТ button on the Mic or the ТХ button on the front panel of the transceiver to
transmit the signals with the CTCSS tone.
7. Release the РТТ button on the Mic or press the ТХ button again to turn to RX mode.
