98 Preparation for Operation TB7100 Installation and Operation Manual
© Tait Electronics Limited December 2005
8. Open the data form and in the serial communications tab:
■ In the serial communications setup field set the FFSK transparent
mode baud rate to 1200, the Flow control to None and the data
port to the required data port.
■ Ensure hardware flow control is set to None.
9. Open the data form RF modems tab. The THSD modem settings do
not apply and can be ignored. In the FFSK modem section set up the
following:
■ Ignore CTCSS/DCS can be disabled (CTCSS/DCS is not used
in this example).
■ Enable Check Packet Length.
■ Disable FFSK Tone Blanking.
■ FFSK Lead-In Delay default of 500ms is suitable but can be
changed.
■ FFSK Lead-Out Delay default of 200ms is suitable but can be
changed.
10. Program the receiver.
7.5.8 Programming for THSD Operation
Transmitter 1. Read the transmitter or start with a new transmitter data file.
2. Use the reset to defaults command under the file menu to ensure all
the mandatory and recommended settings are in their correct default
states.
3. Open the specifications form and select the correct RF band.
4. Open the channels form summary tab. Add as many channels as are
required and for each channel enter the following:
■ transmit frequency
■ Tx subaudible signalling value = Ignored in THSD Mode
■ power level
■ bandwidth.
5. Open the channels form details tab and for each channel check the
use channel for data check box.
6. Open the key settings form and select the required function for each
function key. For example:
■ FN1 = Preset Channel
■ FN2 = Preset Channel
■ FN3 = Preset Channel
■ FN4 = None
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