Icom IC-7100 Advanced Instructions - Page 70
CW sidetone function, Operating CW Continued
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Previous view 4 RECEIVE AND TRANSMIT Operating CW (Continued) DDCW sidetone function When the transceiver is in the receive mode (and the Break-in function is OFF- p. 4-3), you can listen to the CW sidetone without actually transmitting. You can also use the CW sidetone to practice CW sending, but be sure to turn OFF the Break-in function. The CW sidetone level can be adjusted in the "Side Tone Level" item of the Keyer Set mode (p. 4-10). DDCW Auto tune function The automatic tuning function automatically tunes the displayed frequency when an off-frequency signal is received. This function is active while in the CW mode is selected. ➥➥Push AUTO TUNE RX�CS (R) to automatically adjust for a zero beat with the received signal. Zero beat means that two signals are exactly the same frequency. • "AUTO TUNE" blinks when auto tune function is activated. • If AUTO TUNE RX�CS (R) is pushed when the RIT function is ON, the auto tune function changes the RIT frequency, not the displayed frequency. IMPORTANT! When receiving a weak signal, or receiving a signal with interference, the automatic tuning function may tune the receiver to an undesired signal. If the off-frequency signal is too far away, the Auto tune function may not work. In that case, an error beep sounds. 4-5 AUTO TUNE RX�CS AUTO TUNE icon