Yamaha RX-397 owner manual Example of Antenna Grounding

Page 37

20Replacement Parts – When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards.

21Safety Check – Upon completion of any service or repairs to this product, ask the service technician to perform safety checks to determine that the product is in proper operating condition.

22Wall or Ceiling Mounting – The unit should be mounted to a wall or ceiling only as recommended by the manufacturer.

23Heat – The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (including amplifiers) that produce heat.

24Outdoor Antenna Grounding – If an outside antenna or cable system is connected to the product, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built-up static charges. Article 810 of the National Electrical Code, ANSI/NFPA 70, provides information with regard to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrodes, and requirements for the grounding electrode.

EXAMPLE OF ANTENNA GROUNDING

MAST

ANTENNA

 

LEAD IN

 

WIRE

GROUND

 

CLAMP

 

ANTENNA DISCHARGE UNIT (NEC SECTION 810–20)

ELECTRIC

SERVICE

EQUIPMENT

GROUNDING CONDUCTORS (NEC SECTION 810–21)

GROUND CLAMPS

POWER SERVICE GROUNDING ELECTRODE SYSTEM

(NEC ART 250. PART H)

NEC – NATIONAL ELECTRICAL CODE

Printed in Malaysia WG63450

a

Image 37
Contents RX-397 Serial No Important Safety InstructionsFCC Information for US customers Iii Contents Supplied Accessories FeaturesBuilt-in 2-channel power amplifier Other features Sophisticated AM/FM tunerFront panel Controls and FunctionsInput selector Preset station number buttons 1 toPhones jack Europe model only Front panel displayAsia and General models only Rear panelRemote control Using the remote control Installing batteries in the remote controlHandling the remote control Approximately 6 m 19.7 ftCD/DVD player MD recorder MP3 player, etc Etc ConnectionsSpeakers a Speakers BConnecting the banana plug Connecting speakersOutdoor AM antenna Connecting the AM and FM antennasGround GND terminal Release the tab Connecting the AM loop antennaRemote jacks Impedance Selector switchMemory back-up Turning on and off this unit Power on the remote control to turn on thisPress STANDBY/ON on the front panel or UnitPlaying a source Playing and RecordingFront panel Adjusting the Balance control Adjusting the tonal qualityUsing the Pure Direct button Adjusting the Loudness controlRecording a source Using the Sleep timer Mute indicator flashes in the front panel display Press Mute on the remote control to mute the sound outputMute indicator disappears from the front panel display Muting the sound outputAutomatic tuning FM/AM TuningFM or AM appears in the front panel display Lights upAutomatic preset tuning Manual tuningManual tuning is effective when station signals are weak Hold down the button to continue tuning searchPress Tuning l / h once to begin automatic preset tuning Customized automatic preset tuningFM appears in the front panel display Press Memory on the front panel Manual preset tuningExchanging preset stations Selecting preset stationsPress Edit on the front panel again FlashesChanging the Advanced Setup menu parameters Advanced SetupAdvanced Setup menu parameters Factory presets PresetSee page 25 for available parameters Press STANDBY/ON to confirm your settingGeneral TroubleshootingTuner Does not work nor Remote controlFunction properly Audio Section SpecificationsThis product mainly uses lead-free solder RX-497/RX-397 Example of Antenna Grounding