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Speakers, External
Sets the number of external speakers. When set to 1, the right audio
channel amplifier is disabled, and left and right channel audio are mixed
together for external speaker use. (Headphone use overrides this,
providing full stereo regardless of setting of this menu entry.)
Speakers + Phones
Set to YES to allow headphones to be plugged in without disabling the
speaker(s). If the internal speaker is being used, or if only one external
speaker is being used, this will result in mono audio at both the
headphones and speaker.
Spectrum Amplitude Units
Allows selection of S-units or dBm for spectrum amplitude labeling. Scaling
for S-units is 6 dB per.
Spectrum Freq. Marks
When set to LINES, vertical dotted lines are added to the spectrum display
at major frequency increments (1, 2, 5, 10, 20, or 50 kHz depending on the
selected SPAN).
Spectrum Ref Level Cal
This is a per-band calibration value for the panadapter reference level.
Instructions TBD.
Spectrum Trace Fill
Sets the fill color for the panadapter trace.
TUNE LP (Low power TUNE)
Holding [TUNE LP] uses the power level specified by this menu parameter.
This is intended for use with external amplifiers and antenna tuners that
have specific drive power requirements.
TX 2-Tone Generator
When this parameter is to ON, tapping XMIT in voice modes generates