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PANEL DESCRIPTION [RTTY] Push to alternately select the RTTY and RTTY-R (RTTY reverse) modes. • “RTTY” or “RTTY-R” appears. [AM/FM] ➥ Push to alternately select the AM or FM modes. BK-IN SWITCH Operation (p. 63) (Mode: CW) Push to toggle the Break-in function between semi break-in and full break-in, or to turn OFF the function. ✔ What is the Break-in function? The Break-in function automatically switches between transmit and receive with your CW keying. Using the Full Break-in function (QSK), you can hear the receive frequency in-between keying. • “AM” or “FM” appears. ➥ Hold down for 1 second to select the AM or FM data mode (AM-D/FM-D). • “D” appears in addition to “AM” or “FM.” ➥ In the data mode, push to return to the normal AM or FM mode. @5PREAMP•ATTENUATOR SWITCH [P.AMP•ATT] PREAMP SWITCH Operation (p. 55) Push to select one of two receive RF preamplifiers, or to bypass them. • “P. AMP ” is a wide dynamic range preamplifier. It is most effective for the 1.8 to 21 MHz bands. • “P. AMP ” is a high-gain preamplifier. It is most effective for the 24 to 50 MHz bands. • No indicator appears when the preamplifiers are not selected. ✔ What is the preamplifier? The preamplifier amplifies signals in the front end to improve the S/N ratio and sensitivity. Select “P. AMP ” or “P. AMP ” when receiving weak signals. ATTENUATOR SWITCH Operation (p. 55) ➥ Hold down for 1 second to turn ON the attenuator. • “ATT” appears when the attenuator is ON. ➥ Push to turn OFF the attenuator. • “ATT” disappears. ✔ What is the attenuator? The attenuator prevents a desired signal from being distorted when very strong signals are near it, or when very strong electromagnetic fields, such as from a broadcasting station, are near your location. @6VOX/BK-IN SWITCH [VOX/BK-IN] VOX SWITCH Operation (p. 62) (Mode: SSB/AM/FM) ➥ Push to turn the VOX function ON or OFF. ➥ Hold down for 1 second to display the “VOX” screen. Push to return to the previous screen display. ✔ What is the VOX function? The VOX function (voice operated transmission) automatically starts transmission when you speak into the microphone; then automatically returns to receive when you stop speaking. 1 @7COMPRESSOR SWITCH [COMP] (p. 64) (Mode: SSB) Push to turn the Speech Compressor function ON or OFF. 1 2 • “COMP” appears when this function is ON. 3 @8MONITOR SWITCH [MONITOR] (p. 65) Push to turn the Monitor function ON or OFF to listen to your own transmitted audio. 4 • “MONI” appears when this function is ON. • In the CW mode, the CW sidetone can be heard, regardless of the [MONITOR] switch setting. 5 6 @9SPEECH SWITCH [SPEECH] (p. 33) ➥ Push to audibly announce the S-meter level and the displayed frequency. ➥ Hold down for 1 second to audibly announce the S-meter level, the displayed frequency, and the operating mode. 7 8 9 • The S-Level announcement can be turned OFF in the “SPEECH S-Level” item of the Set mode. (p. 87) • When RIT and/or ∂TX are ON, the RIT/∂TX offset is not included in the frequency announcement. 10 11 #0FILTER SWITCH [FILTER] (p. 57) ➥ Push to select one of three IF filter settings ( / / ). 12 • The selected filter passband width and shifting value are displayed for 2 seconds on the LCD display. 13 ➥ Hold down for 1 second to display the “FIL” screen (Filter) to set the filter passband width. Hold down for 1 second again to return to the previous screen display. 14 15 #1TUNING DIAL [DIAL] (p. 26) Rotate to change the operating frequency, select the Set mode settings, etc. 16 17 #2LOCK SWITCH [LOCK] (p. 61) Push to turn the Dial Lock function ON or OFF. 18 • This function electronically locks [DIAL]. • “ ” appears when this function is ON. 19 20 21 4