Vega DSP-223, Technical Manual

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18 Vega DSP-223
4.3 DTMF Responder Functions
A number of DTMF sequences may be sent to the DSP-223 from the console that may be used to affect
the performance of the unit or initiate a test function.
The standard activation sequence that precedes each command is DTMF
*0#
. A 2 second timer is
started upon entry of the first character of the string. If the entire control string is not entered within that
timeout period, the digits are discarded and the user must re-enter the string. For routines that adjust
gains, the value is adjusted and saved to the non-volatile memory.
*0#1 : Increase Radio TX Gain
Sending this command will increase the Radio TX gain by 1dB. Multiple repetitions of this sequence will
increase the Radio TX Gain up to +10dB.
*0#2 : Decrease Radio TX Gain
Sending this command will decrease the Radio TX gain by 1dB. Multiple repetitions of this sequence will
decrease the Radio TX Gain down to -10dB.
*0#3 : Increase Line TX Gain
Sending this command will increase the Line TX gain by 1dB. Multiple repetitions of this sequence will
increase the Line TX Gain up to +10dB.
*0#4 : Decrease Line TX Gain
Sending this command will decrease the Line TX gain by 1dB. Multiple repetitions of this sequence will
decrease the Line TX Gain down to -10dB.
*0#5 : Increase CTCSS Gain
Sending this command will increase the CTCSS gain by 1dB. Multiple repetitions of this sequence will
increase the CTCSS Gain up to +10dB.
*0#6 : Decrease CTCSS Gain
Sending this command will decrease the CTCSS gain by 1dB. Multiple repetitions of this sequence will
decrease the CTCSS Gain down to -10dB.
*0#7 : Loopback Line RX to Line TX
This command will place the DSP-223 into the Loopback Mode . Audio received at the RX terminals of
the Line interface on the DSP-223 will be echoed back onto the TX terminals. This mode lasts for
approximately 15 seconds and then the DSP-223 reverts back to its normal operation.
*0#8 : Send 1kHz Tone to both Radio and Line Interfaces
This command will generate a 1kHz, 10dBm, tone on both the Radio and Line TX terminals. This can be
used to set the DSP-223 TX level. The tone will last for approximately 15 seconds. There are no relay
closures associated with this mode.
The following DTMF sequences are enabled for control of the Kenwood x150/x180 radio
Refer to Section 7 – Specific Radio Control for Adaptor Kit Information
*0#9 : Toggle SCAN Mode of the Kenwood x150/x180 Radio
This command will toggle the SCAN mode of the Kenwood x150/x180 Series radio on and off.
*0#10 : Send the last Kenwood FleetSync® ANI data
This command causes the DSP-223 to generate a DTMF string to the Line TX corresponding to the last
seven digit Kenwood FleetSync® ANI data received by the radio.