User's Manual

FT-950

Operating Manual

Vertex Standard Co., Ltd.

recording or external amplification. Peak signal level is 30 mVp-p at 10 kOhms.

11. REM (REMOTE) Jack

By plugging in the optional FH-2 Remote Control Keypad to this gold-plated jack,

direct access to the FT-950 CPU is provided for control functions such as contest

memory keying, plus frequency and function control.

12. EXT SPKR Jack

This 3.5-mm, 2-pin jack provides variable audio output for an external loudspeaker.

The audio output impedance at this jack is 4 - 8 Ohms, and the level varies according

to the setting of the front panel’s [AF GAIN] knob. Inserting a plug into this jack

disables the internal loudspeaker.

13. KEY Jack

This 1/4-inch 3-contact jack accepts a CW key or keyer paddle. A 2-contact plug cannot

be used in this jack. Key-up voltage is +5 V, and key-down current is 1 mA. Plug wiring

is shown on page ??, and this jack may be configured for keyer, “Bug”, “straight key”, or

computer keying interface operation via Menu item “039 A1A R-TYPE”.

14. µ-TUNE Jack

This 10-pin mini-DIN jack used for control of the optional RF µTuning Kit.

15. DMU Jack

This 8-pin mini-DIN jack accepts a cable connected to an optional DMU-2000 Data

Management Unit.

16. CAT Jack

This 9-pin serial DB-9 jack allows external computer control of the FT-950. Connect a

serial cable here and to the RS-232C COM port on your personal computer (no external

interface is required).

17. PMG-SW

This covered slide switch is used for updating the transceiver’s firmware. The update

software and instructions are available for download from the Vertex Standard website

(http://www.yaesu.com/).