Vertex Standard manual FT-950 Operating Manual

FT-950

Operating Manual

Pressing and holding in this key for two seconds (until the double beep) copies the current operating data into the currently selected memory channel, overwriting any previous data stored there.

47. [BAND] Keys

These keys allow one-touch selection of the desired Amateur band (1.8 ~ 50 MHz). What’s more, these keys may be used for direct entry of a desired operating frequency during VFO operation.

48. MODE Switches

Pressing one of these switches selects the operating mode. Per the chart below, repeated presses of a particular switch may cause the precious mode to be selected from within a mode group (for example pressing [SSB] button repeatedly toggles between “LSB” and “USB” mode.

Switch	Variable Mode Selections
[SSB]	LSB	USB
[CW]	CW(LSB)		CW(USB)
[AM/FM]	AM	FM
[RTTY/PKT]	RTTY(LSB)		RTTY(USB) PKT(LSB) PKT(USB) PKT(FM)

49. [ATT] Switch

This button selects the degree of attenuation, if any, to be applied to the receiver input. Available selections are –6 dB, –12 dB, –18 dB, or OFF, and the selected attenuation level appears in the ATT column of the Block Diagram Display on the display.

Advice: The Attenuator may be used in conjunction with the [IPO] switch to provide two stages of signal reduction when an extremely strong signal is being received.

50. [IPO] (Intercept Point Optimization) Switch

This button may be used to set the optimum front end characteristics of the receiver circuit for a very strong-signal environment. Available selections are AMP 1 (low distortion amplifier), AMP 2 (2-stage low-distortion RF amplifier), or ON (bypasses the front end RF amplifier), and the selected receiver RF amplifier appears at the IPO column of the Block Diagram Display on the display.

51. [R.FLT] (Roofing Filter) Switch

This button selects the bandwidth of the receiver’s first IF Roofing Filter. Available selections are 3 kHz, 6 kHz, 15 kHz, or Auto, and the selected bandwidth appears in

24 Vertex Standard Co., Ltd.