Spectrum DSP M2 User Manual page 12

or 8 ohm speakers. An amplifier is available if required. WARNING: Ensure the
volume level is set below AFG=10 before inserting earbuds or headphones
CAT. This connector is for connecting the TTL serial port of the associated transceiver.
•
Elecraft/Kenwood, USDX, ICOM and Yaseu protocols are supported.
EXT. This jack has the DIT (PA TX) and DAH signals as shown in the connection
•
diagram at the end of this manual. When TX is active, the data will show in red, and
the audio will be muted.
5V DC. This is the power connector. The outer shell is negative and the inner
•
conductor is positive.
voltage and the unit will be destroyed.
Debug. This connects to a computer to allow firmware updating. Please contact us
•
for instructions.
IQ. This is used for interfacing with the receivers IQ signal, available either through an
•
IQ port or tap to the circuit board, as provided by for example, the Electraft KX2.
PC. This port connects to the PC to support IQ streaming to the PC, and provide a CAT
•
communications bridge to the PC using the Yaseu FT-819 protocol.
RESET BUTTON:
On the rear of the unit there is a 5mm hole, where the stylus can be used to gently
activate an MCU reset.
Spectrum DSP M2 User Manual V1.1
WARNING: Never reverse connect or connect to a higher
P 12