Phone/Cw Tab - FlexRadio Systems FLEX-6000 SIGNATURE Series User Manual

FLEX-6000 Signature Series - SmartSDR for Windows Software User's Guide
The user can also enable/disable the Hardware ALC by clicking on . When blue
Hardware ALC is enabled, when grey it is Disabled.
Δ – Please note this input is provided as a safety measure for external amplifiers. It is NOT meant
to be used in regular operation as an active power control input or to modify the "attack" of an
external amplifier. Almost all modern HF amplifier manufacturers discourage the use of ALC in
normal operation. In fact, many amplifiers do not have ALC implemented.
By default, SmartSDR does not show your transmit signal in the Waterfall so that the Waterfall does
not display data that may not be useful to you. Instead it will display a single white line while in
transmit. When enabled, The Show TX in Waterfall setting will cause the Waterfall to show the data
of your transmission.

35.7 PHONE/CW TAB

BIAS button: Clicking this button will enable the +5 VDC microphone BIAS voltage on the MIC
connector. Enable the BIAS only if the microphone being used requires the +5 VDC voltage to
operate, such as microphones with condenser elements.
+20dB button: Clicking this button will enable the +20 dB gain microphone preamp.
Note: The +20 dB microphone preamp option should always be enabled whenever a microphone is
directly connected the FLEX-6000. This option is not available when LINE is selected as the audio
input.
Disable/Enable Mic Meter button: Enables or disables the Mic Meter during receive.
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