Icom IC-R9500 Instruction Manual - Page 54
Operating CW
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4 RECEIVE MODES ■ Operating CW [RX] indicator Keypad [AF] [SSB/CW] Main dial Appears q Edit the desired frequency using the keypad. w Push [SSB/CW] to select CW. • After CW mode is selected, push and hold [SSB/CW] for 1 sec. to toggle between CW and CW-R modes. • " C W " or " CW-R " appears. e Rotate the main dial to tune a desired signal. • Try to match the specified signal's tone to the side tone frequency. • [RX] indicator lights green and the S-meter indicates received signal strength when signal is received. r Rotate [AF] to set audio to a comfortable listening level. D Convenient functions for CW • Preamp (p. 5-9) ➥ Push [P.AMP] several times to set the preamp OFF, preamp 1 ON or preamp 2 ON. Only ON/OFF is available above 30 MHz. • "P.AMP1" or "P.AMP2" appears when the preamp 1 or preamp 2 is ON below 30 MHz. "P.AMP ON" appears above 30 MHz. • Attenuator (p. 5-9) ➥ Push [ATT] several times to set the attenuator in 6 dB steps for HF bands, or 10 dB step for 30-1150 MHz. Only 20 dB is available for 1150-3335 MHz. • "ATT" and attenuation level appear when the attenu- ator is ON. • Noise blanker (p. 5-15) ➥ Push [NB] switch to turn the noise blanker ON and OFF, and then rotate [NB] control to adjust the threshold level. • Noise blanker indicator (above [NB] switch) lights when the noise blanker is ON. • Push [NB] for 1 sec. to enter noise blanker set mode. • Noise reduction (p. 5-16) ➥ Push [NR] switch to turn the noise reduction ON and OFF. • Rotate [NR] control to adjust the noise reduction level. • Noise reduction indicator (above [NR] switch) lights when the noise reduction is ON. • Twin PBT (passband tuning) (p. 5-11) ➥ Rotate [TWIN PBT] controls (inner/outer). • Push [PBT CLEAR] to clear the settings. • Manual notch filter (p. 5-16) ➥ Push [NOTCH1] or [NOTCH2] switch to turn the manual notch function ON or OFF. • Rotate [NOTCH] control to set the notch frequency. • Notch indicator (above [NOTCH1] or [NOTCH2] switch) lights when either the manual notch is ON. • AGC (auto gain control) (p. 5-10) ➥ Push [AGC] switch several times to select AGC FAST, AGC MID or AGC SLOW. ➥ Push [AGC VR] to turn the AGC time constant manual setting ON or OFF. • Rotate [AGC] control to adjust the time constant. • 1⁄4 function (p. 3-6) ➥ Push [1/4] to turn the 1⁄4 function ON or OFF. • Auto tuning function (p. 5-17) ➥ Push [AUTOTUNE] to turn the auto tuning func- tion ON or OFF. • The receiver automatically tunes the desired signal within a ±500 Hz range. IMPORTANT! When receiving a weak signal, or receiving a signal with interference, the automatic tuning function may not tune properly, or tune onto an undesired signal. 4-8