LDG YT-450 Скачать руководство пользователя страница 22

 

 

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OUT OF WARRANTY SERVICE 

If  a  product  fails  after  the  warranty  period,  LDG  wants  to  help  you  get  it  fixed.  Send  the 

product to us for repair any time you like. We will determine what needs to be done and based on 
your  instructions, either contact you with an estimate or fix it and contact you with a request to 
pay any repair charges. Please contact LDG if you have any questions before you send us an out-
of-warranty product for repair.  

RETURNING YOUR PRODUCT FOR SERVICE 

Returning a product to LDG is easy.  We do not require a return merchandise  authorization, 

and  there  is  no  need  to  contact  LDG  to  return  your  product.  Visit  the  LDG  web  site  and 
download the LDG Product Repair Form. On the Repair  Form tell the LDG technicians exactly 
what  happened  or  didn’t  happen  and  why  you  believe  the  product  needs  servicing.  The 
technician  attempts  to  duplicate  the  problem(s)  you  had  based  on  how  well  you  describe  it  so 
take the time to be accurate and complete.  

Ask your shipper for a tracking number or a delivery verification receipt. This way you know 

the product arrived safely at LDG. Be sure to give us your email address so our shipper can alert 
you  online  when  your  product  is  en-route  back  to  you.  Please  be  assured  that  our  staff  makes 
every effort to complete repairs ahead of our published wait time. Your patience is appreciated.  

Repairs can  take six to eight weeks,  but are usually  faster. The  most recent  information on 

returning products for  service  is  found on the LDG website under Support, then Tech Support. 
Send your carefully packaged unit with the Repair Form to: 

 

LDG Electronics, Inc. 

Attn: Repair Department 

1445 Parran Rd 

St. Leonard, MD 20685 

 

PRODUCT FEEDBACK 

We  encourage  product  feedback!  Tell  us  what  you  really  think  of  your  LDG  product.  In  a 

card, letter, or email (preferred) tell us how you used the product and how well it worked in your 
application. Send along a photo or even a schematic or drawing to illustrate your narrative.  We 
like  to  share  your  comments  with  our  staff,  our  dealers,  and  even  other  customers  at the  LDG 
website: 

http://www.ldgelectronics.com

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Содержание YT-450

Страница 1: ...EV A PAGE 1 LDG YT 450 100 Watt Automatic Tuner for Yaesu FT 450 and FT 950 Transceivers LDG Electronics 1445 Parran Road St Leonard MD 20685 2903 USA Phone 410 586 2177 Fax 410 586 8475 ldg ldgelectr...

Страница 2: ...1 Operation 11 Power up 11 Basic Tuning Operation 11 Toggle Bypass Mode 12 Initiate a Memory Tune Cycle 13 Force a Full Tune Cycle 14 Status LED 15 Application Information 15 Mobile Operation 15 Tunin...

Страница 3: ...ier measure the transmit frequency and then restore the radio to its previous mode and power level Additionally the YT 450 also draws power directly from the radio so no extra cable is needed JUMPSTAR...

Страница 4: ...cally for the Yaesu FT 450 and FT 950 HF transceivers Pass thru CAT port allows YT 450 to control the FT xxx over the CAT bus while still allowing a host PC to also control the radio Pass thru CAT por...

Страница 5: ...fails during overload it could also damage your transmitter or transceiver Be sure to observe the specified power limitations IMPORTANT SAFETY WARNING Never install antennas or transmission lines ove...

Страница 6: ...n indefinitely even when DC power is completely removed Tuning memories are stored in FLASH memory The YT 450 has 2 000 frequency memories When tuning on or near a previously tuned frequency the YT 45...

Страница 7: ...This is a pass thru port to the RADIO port and is switched under software control by the YT 450 s microprocessor The firmware of the YT 450 has been written such that this will seem transparent to th...

Страница 8: ...s designed to be used ONLY with the following Yaesu 100 watt transceivers FT 450 FT 950 WARNING Do not attempt to use the YT 450 with any other transceivers even if the CAT plug fits At best the YT 45...

Страница 9: ...ing DB 9 plug to the jack marked Radio on the YT 450 On the FT 450 press and hold the F button on the front panel for one second to enter the extended menu Rotate the DSP SEL knob until EXT MENU is sh...

Страница 10: ...cable rated 125 watts or greater Connect the 8 pin mini DIN connector on the supplied radio interface cable to the jack marked TUNER on the FT 950 Connect the adjacent DB 9 plug to the CAT jack on th...

Страница 11: ...ty LDG recommends that you connect your tuner to a suitable ground a common ground rod connected to buried radials is preferred but a single ground rod a cold water pipe or the screw that holds the co...

Страница 12: ...saved tuning settings but automatically defaults to a full tuning cycle if no stored data is available In both cases at the end of the tuning cycle the carrier is held for 1 5 seconds after tuning is...

Страница 13: ...or tuning and key the radio When tuning is complete the transceiver will return to the operating mode and power level previously set You will notice that the radio toggles between VFO A and VFO B befo...

Страница 14: ...y for this frequency To force a full tuning cycle press and hold the Tune button on the front panel of the YT 450 until the Status LED lights up and keep holding until the Status LED goes out again Re...

Страница 15: ...INFORMATION Mobile Operation The YT 450 is perfectly suited to mobile operation It can be installed under the dashboard along with the transceiver or mounted remotely The only requirement is that the...

Страница 16: ...y the YT 450 for controlling the radio The YT 450 monitors the Computer port for activity before beginning any tuning cycle Only when the CAT line is idle for a period of time will the YT 450 take ove...

Страница 17: ...that when daisy chaining a second YT 450 there is only one TUNER port on the rear of the FT 950 so there is no place to plug in the second YT 450 s 8 pin mini DIN connector This connector provides pow...

Страница 18: ...tance and impedance in the form of capacitive or inductive reactance Transmitters transmission lines antennas and impedance The output circuit of a transmitter the transmission line and the antenna al...

Страница 19: ...some meters calculate SWR for you More advanced units can measure forward and reflected power simultaneously and show these values and SWR at the same time An antenna tuner is a device used to cancel...

Страница 20: ...ower levels The single lead primary through the center of the sensor transformer provides RF current sampling Diodes rectify the sample and provide a DC voltage proportional to RF power These two volt...

Страница 21: ...ls just in case you lose this one When you are thinking about the purchase of other LDG products our website also has complete product specifications and photographs you can use to help make your purc...

Страница 22: ...accurate and complete Ask your shipper for a tracking number or a delivery verification receipt This way you know the product arrived safely at LDG Be sure to give us your email address so our shipper...

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