Yaesu FT-2000 Operating Manual

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Contents

Yaesu FT-2000 Operating Manual Manual pdf 65 page image

Page 63FT-2000D OPERATING MANUALTOOLS FOR C OMFORTABLE AND E FFECTIVE R ECEPTIONAGC (AUTOMATIC GAIN C ONTROL)Main Tuning Dial Knob [SUB VFO-B] Knob[MENU] ButtonMain [RX] SwitchSLOPED AGC OperationIn traditional AGC systems, the audio output from the transceiver becomes essentially fixed once the threshold forAGC action is reached (usually several dozen dB above the no-signal noisefloor). The FT-2000D, however, includes an innovative Sloped AGC sys-tem on the Main band (VFO-A) receiver, that allows the audio volume torise and fall slightly according to signal strength. Although the rise/fall slopeis not dramatic, it is sufficient to allow you to use your ear to discern andseparate signals according to signal strength, not just audio frequency.Using Sloped AGC1. Press the [MENU] button momentarily to enter theMenu mode.2. Use the Main Tuning Dial knob to select Menu item“088 rout AGC SLP.”3. Rotate the [SUB VFO-B] knob to change the set-ting to “SLP.”4. Press and hold in the [MENU] button for two sec-onds to save the new setting and exit to normal op-eration. You will now be using the Sloped AGCsystem.MUTE F EATURE (MAIN (VFO-A) BAND)There may be occasions, during Dual Receive operation, when you want to silence the Main (VFO-A) receiver tempo-rarily so as to concentrate on what’s being received on the Sub (VFO-B) receiver. The Mute feature makes this simple toaccomplish.NORMALInput SignalAudio Output SLOPEDPress the Main [RX] LED/switch. The Main (VFO-A) re-ceiver will be silenced, and the green LED in the [RX]switch will blink.To restore reception on the Main (VFO-A) receiver, justpress the blinking [RX] switch/LED once more.ADVICE:If you press the [POWER] switch momentarily while thetransceiver is turned on, the transceiver’s audio will bemuted for three seconds.