5 FUNCTIONS FOR RECEIVE

Notch function

[NOTCH] control

NOTCH

• Auto notch indication• Manual notch indication

This transceiver has auto and manual notch functions. The auto notch function uses DSP to automatically attenuate more than 3 beat tones, tuning signals, etc., even if they are moving. The manual notch can be set to attenuate a frequency via the [NOTCH] control.The auto notch can be used in SSB, AM and FM mode. The manual notch can be used in SSB, CW, RTTY, PSK and AM modes.

Push NOTCH to toggle the notch function between auto, manual and OFF in SSB and AM modes.

Push NOTCH to turn the manual notch function ON and OFF in CW, RTTY, PSK modes.

Push NOTCH to turn the auto notch function ON and OFF in FM mode.

• [NOTCH] indicator above this switch lights green.

• Push and hold NOTCH for 1 sec. to select the notch filter width for manual notch from wide, middle and nar- row.

Set to attenuate a frequency for manual notch via the [NOTCH] control.

AN ” appears when auto notch is in use.

MN ” appears when manual notch is in use.

While tuning the manual notch, noise may be heard. This comes from the DSP unit and does not indicate an equipment malfunction.

Digital selector

[DIGI-SEL] control

DIGI-SEL

The digital selector manually adjusts the center frequency of the automatic pre-selector.

The automatic pre-selector adds selectivity ahead of the 1st mixer. This reduces intermodulation distortion from the nearby strong signals.

The automatic pre-selector tracks the frequency tun- ing, changing it’s resonant frequency in discrete steps.

qPush DIGI-SELto turn the digital selector ON and OFF.

[DIGI-SEL] indicator above this switch lights green.

wRotate [DIGI-SEL] control to adjust the center fre- quency.

NOTE:

• When rotating the main dial while the digital selec- tor is activated, mechanical noise may be heard due to the switching noise from internal relays.

• The preamp (P.AMP1 or P.AMP2) cannot be used while the digital selector is activated.

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