American QRP Club NUE-PSK Посібник оператора - Сторінка 5

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4) Power

Install two standard 9V alkaline batteries in the battery compartment, or connect a 9 to

18 volt supply to the coaxial power connector (2.1mm) on the right end of the modem.

The two 9V alkaline batteries nestle tightly against the pc board in the compartment.

One battery lies flat and over to one side in the compartment, with the other battery

sitting up at an angle with its connector overlapped with that of the first. The screw-on

cover holds them firmly in place.

5) Signal Connections

Install a connector, or connectors, to the end of the cable which has an 8-pin mini-DIN

connector.

Most modern HF rigs have a mini-DIN Data or AUX connector which

provides for PTT, fixed level audio from the receiver (independent of the volume control

on the rig), and a line-level (approx 100mv rms) audio input to the transmitter. On the

Yaesu FT-817/857/897 this connector is a 6-pin mini-DIN. On many Kenwood HF rigs

there are 6-pin and 13 pin mini-DIN connectors that may be used. See Appendix A for

wiring details.

6) Keyboard

The modem requires an AT/PS2 style keyboard for character entry. The keyboard also

provides for entry and playback of macros. Use the 6-pin mini-DIN connector on the

end of the modem to connect to the keyboard. A USB keyboard may be used if it has

built-in PS2 support. Most USB keyboards that are sold with a USB to PS2 adapter will

work, using the adapter.

NUE-PSK Digital Modem Operator's Manual, ver 1.20