FLEX-6000 Signature Series – Maestro User Guide
Copyright 2024 FlexRadio, Inc. All Rights Reserved. | Page 157
33.9 PHONE/CW TAB
The Phone/CW tab provides several controls for managing the microphone and CW key interfaces.
In the Microphone section, the Maestro BIAS button enables the +5 VDC microphone bias voltage
on the Maestro MIC 2 connector. Enable this bias voltage only if required by the microphone. The
Radio Bias button enables the bias voltage on the radio’s front panel microphone connector.
The Maestro +20dB button enables the 20 dB gain microphone preamp on the MIC connector. The
Radio +20 dB button enables the 20 dB gain microphone preamp on the radio’s front panel
microphone connector.
Note: The +20 dB microphone preamp option should always be enabled whenever a
microphone is directly connected to the FLEX-6000. This option is not available when LINE is
selected as the audio input.
The Level Meter During Receive button enables or disables the display of the microphone signal
level on the microphone signal level meter when the transmitter is not engaged. This can be used
to set the microphone level without transmitting.
In the CW section, the Iambic and Swap buttons control how signals from a connected straight key
or paddle set are interpreted. To use a paddle set in Iambic mode, enable the Iambic button and
select either the A or B Iambic mode.
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