Kenwood TS-570D, TS-570S Instruction Manual

Also see for TS-570D, TS-570S: Instruction manual Instruction manual Adjustment guide Service manual

Contents

12345678910111213141516226 BASIC COMMUNICATINGFM TRANSMISSIONFM operation on HF frequencies solves the problem ofhow to have long distance voice communication withthe finest audio quality. When combined with the full-quieting aspect of FM signals that suppress backgroundnoise on the frequency, FM can be the best method formaintaining regular schedules with friends.Refer, if necessary, to “OPERATING BASICS”beginning on page 13 for receiving details.1 Select the operating frequency.2 Press [FM/AM] to select FM mode.• “FM” appears.3 Press and hold down Mic [PTT], or press [SEND].• “RX” disappears and “TX” appears.• Refer to “VOX” {page 31} for information onautomatic TX/RX switching.4 Speak into the microphone in a normal tone andlevel of voice.• Speaking too close to the microphone, or tooloudly, may increase distortion and reduceintelligibility.• Microphone gain can be switched between lowand high for FM using Menu No. 17. Low isusually appropriate; however, select high ifreports from other stations indicate that youraudio is weak. The MULTI/CH control has noeffect in FM mode.TX DEVIATION SELECTIONSelect wide band or narrow band TX deviationdepending on whether the other station is using wideband or narrow band RX deviation. This selection iscrucial to avoid audio distortion or insufficientintelligibility that the other station will encounter.1 Press [FM/AM] to select FM mode.2 Press [FILTER].• The current filter selection appears.3 Turn the MULTI/CH control to select Wide(“FM-WID”) or Narrow (“FM-NAR”).4 Press [FILTER] to complete the setting.Refer to “COMMUNICATING AIDS” beginning onpage 29 for additional information about useful functionsfor operating.AM TRANSMISSIONEach mode used on the HF Amateur bands has its ownadvantages. Although long distance DX contacts maybe less common while using AM, the superior audioquality characteristic of AM operation is one reason whysome prefer this mode.When looking for others using AM, check the followingfrequencies first:• 3885, 7290, 14286, 21390, and 29000~29200 kHzRefer, if necessary, to “OPERATING BASICS”beginning on page 13 for receiving details.1 Select the operating frequency.2 Press [FM/AM] to select AM mode.• “AM” appears.3 Press [MIC] to activate the Microphone Gain Settingfunction.• The current gain level appears.4 Press and hold down Mic [PTT], or press [SEND].• “RX” disappears and “TX” appears.• No transmit carrier level adjustment is necessary.• Refer to “VOX” {page 31} for information onautomatic TX/RX switching.5 Speak into the microphone and adjust theMULTI/CH control so that the calibrated power meterslightly reflects according to your voice level.• Speak in a normal tone and level of voice.Speaking too close to the microphone, or tooloudly, may increase distortion and reduceintelligibility.• You may want to use the Speech Processor.Refer to “SPEECH PROCESSOR” {page 32} fordetails.6 Release Mic [PTT], or press [SEND] again, to returnto the receive mode.• “TX” disappears and “RX” appears.7 Press [MIC] to quit the Microphone Gain Settingfunction.Refer to “COMMUNICATING AIDS” beginning onpage 29 for information about additional useful functionsfor operating.