Kenwood TS-B2000 Specialized Communications Preparation, DCD Sense, A./ Canada, Center Frequency

11 SPECIALIZED COMMUNICATIONS

PREPARATION	If you are using an external TNC or MCP, proceed
1 Connect the transceiver to your personal	with the subsequent steps.
	11 Following the instructions provided with your TNC
computer (via an external TNC or MCP if desired).
	or MCP, enter the calibration mode so that you
• See “COMPUTER” {page 93} and “MCP AND
	can generate a mark condition.
TNC” {page 95}.
	• The MAIN band LED changes from green (RX)
2 Install an appropriate terminal program onto the
	to red (TX).
personal computer.	12 Access Menu No. 50B to select the appropriate AF
• A variety of freeware and shareware programs
	input level.
can be obtained in various ways. Consult your
	• Select a proper input level, so that the ALC
reference material or other “packeteers”.
	meter reflects within the ALC zone.

3Initiate the terminal program and set the following

	parameters on the personal computer:		13 Exit the calibration mode.
			• The MAIN band LED changes from red (TX) to
	• Transfer rate (TNC/MCP <–> Computer):
			green (RX).
	9600 bps (default setting)
	• Data length: 8 bit		14 Access Menu No. 50C to select the appropriate
	• Stop bit: 1 bit		AF output level.
			• You cannot use the AF control to make this
	• Parity: Non-parity
			adjustment.
	• Flow control: Hardware
			• If you have selected sub-band in step 5,
4 Press [A/B] to select VFO A or VFO B.			access Menu No. 50D instead.
5 Access Menu No. 46 and select the main band or			The frequencies (measured in kHz) commonly used
	the sub-band (default) as the data band.		for Packet are listed below:
	• “TNC” appears on the data band.
			U.S.A./ Canada	ARU Region 1 (Europe/Africa)
	• If you are using an external TNC or MCP,
	access Menu No. 50E to make this selection.		1800 ~ 1830	—
	The default is main band.
			3620 ~ 3635	3590 ~ 3600
6 Access Menu No. 47 and select 1200 bps (default)
			7080 ~ 7100	—
	or 9600 bps as the transfer rate between TNCs.
	• You must select the same transfer rate as the		10140 ~ 10150	—
	target station.
			14095 ~ 14099.5	14089 ~ 14099, 14101 ~ 14112
	• If you are using an external TNC or MCP,
			18105 ~ 18110	—
	access Menu No. 50F to make this selection.
	The default is 1200 bps.		21090 ~ 21100	21100 ~ 21120
7 Select an operating frequency.
			28120 ~ 28189	28120 ~ 28150, 29200 ~ 29300
8 Press [LSB/ USB/ AUTO] or [FM/ AM/ NAR] to
			50600 ~ 50780	—
	select LSB, USB, or FM mode.
			144910 ~ 145090	—
9 Access Menu No. 50A and select ON to activate
			440975 ~ 441075	430050 ~ 431025
	the DSP packet filter for the main transceiver.
10 Turn the HI/ SHIFT control to select the center
	frequency of the packet mode. You can further		DCD SENSE
	select either “NAR” (narrow) or “WID” (wide) for
	the receiver filter width by turning the LO/ WIDTH		You can also select the method for inhibiting the built-
	control.
			in TNC from transmitting. Access Menu No. 48 and
			select one of the two methods. The default is “TNC
	Center Frequency	Operating Mode
			BAND”.
	1000 Hz	PSK31	TNC BAND:
	1700 Hz	Packet (AFSK 1200 bps)	The TNC does not transmit when signals are present
			on the TNC (data) band.
	2210 Hz	Packet (AFSK 300 bps)
			MAIN&SUB:
	PSK	PSK
			The TNC does not transmit when signals are present
	Note:
			on the main transceiver or sub-receiver.

◆The packet (9600 bps) operation is not affected by the DSP packet filter settings.

◆The DSP packet filter works only on the main transceiver.

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