Icom IC-775DSP [32/67] Auto notch function

Содержание

4 FUNCTION OPERATIONS Auto notch function DSPJ The auto notch function automatically attenuates beat tones tuning signals etc more than 3 tones even if they are moving This function is available for the DSP equipped type only Auto notch OFF Auto notch ON Desired signal AF The function can be used together with the manual notch filter IF type and also acts in FM mode Particular frequency is attenuated Select SSB or FM mode Push AUTO to turn the auto notch function ON The AUTO switch activates the auto APF in CW mode p 30 3 Push AUTO again to cancel the function For the IC 775 AF LPF functions as the auto notch switch in SSB mode when an optional UI 100 is installed and activated Noise reduction QSH The noise reduction function reduces noise compo nents and picks up the desired signals which are buried in noise The received AF signals are converted to digital signals and separated into signals and noise This function is available for the DSP equipped type only Noise reduction OFF NR LEVELS SQL Noise components The NR LEVEL control adjusts the noise reduction level Deep rotation results in audio signal masking or distortion Set NR LEVEL for maximum read ability The noise reduction function is not available in AM mode I HR 1 appear when noise reduction is in use FNRI USB IU IOC nn II 1 l I L IL I VFO 1 CH Noise reduction activated Desired signal CW nh P NOTE Rotate NR LEVEL max counterclockwise to turn the function OFF The NB WIDE switch can be changed to noise reduction on off switch in P set mode p 43 CW pitch control P set mode The received CW audio pitch and monitored CW audio pitch can be adjusted to a comfortable fre quency 300 to 900 Hz without changing the oper ating frequency P The SQL control functions as a CW pitch control through setting in P set mode p 43 When selecting the CW pitch control squelch does not function and stays open T Push CW REV to select CW mode 2 Push SET momentarily to enter P set mode 3 Push AUP VDOWN several times to select PltCH display When a sub setting display is selected push ENT to exit cnn LILILI Pl LLH Connect a key and key down Rotate MONI GAIN to set the desired side tone level D Adjust the main dial for the desired frequency Push ENT to exit P set mode 29