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AT-600PRO OPERATIONS MANUAL

MANUAL REV A

PAGE 1

LDG AT-600Pro
600W Automatic

Antenna Tuner

LDG Electronics

1445 Parran Road

St. Leonard MD 20685-2903 USA

Phone: 410-586-2177

Fax: 410-586-8475

[email protected]

www.ldgelectronics.com

Содержание AT-600Pro

Страница 1: ...ONS MANUAL MANUAL REV A PAGE 1 LDG AT 600Pro 600W Automatic Antenna Tuner LDG Electronics 1445 Parran Road St Leonard MD 20685 2903 USA Phone 410 586 2177 Fax 410 586 8475 ldg ldgelectronics com www l...

Страница 2: ...Tune 15 Bypass Mode 16 Error Indication 16 Advanced Operation 18 Manual Inductor Capacitor Adjustments 18 High Low Relay Adjustment 18 Manual Memory Store 18 Status Check 19 Application Notes 20 Mobil...

Страница 3: ...or even newer high power transceivers JUMPSTART OR REAL HAMS DON T READ MANUALS Ok but at least read this one section before operating the AT 600Pro Connect a 50 ohm coax jumper cable from the antenna...

Страница 4: ...to 16 VDC 1A max 7mA when idle Dimensions 10 5 x 8 5 x 2 8 Weight 3 pounds AN IMPORTANT WORD ABOUT POWER LEVELS The AT 600Pro is rated at 700 watts maximum power input at most Many amplifiers output w...

Страница 5: ...C Dn Manually decrease capacitance L Up Manually increase inductance L Dn Manually decrease inductance Tune Initiates memory or full tuning cycle Momentary push places tuner in bypass PWR Meter Bargr...

Страница 6: ...coax feedline to this SO 239 connector Ant 2 Connect a second 50 ohm antenna coax feedline to this SO 239 connector Gnd wing nut Connect to the antenna system ground Tx Connect a 50 ohm jumper coax f...

Страница 7: ...ting the AH 3 or AH 4 external tuner connect the 4 pin Molex connector of the optional ICOM interface cable to the radio s Tuner port Then connect the 1 8 stereo plug on the other end of the ICOM inte...

Страница 8: ...PAGE 8...

Страница 9: ...PAGE 9 Note Optional Y ACC cable has a red plug on the radio end of the cable and a black plug on the tuner end...

Страница 10: ...tton is held for one half to 2 5 seconds and then released Long Press The button is held for more than 2 5 seconds and then is released FUNC Button The FUNC button is pressed first then the button is...

Страница 11: ...Average mode is suitable for 100 duty cycle modes such as FM RTTY or PSK Peak mode is more useful on modes with varying duty cycle such as SSB or AM The factory default is average mode To toggle betwe...

Страница 12: ...there is RF present and the SWR exceeds a pre set level The default setting is fully automatic tuning mode To toggle between semi and fully automatic modes press Func C Dn The LED display will show o...

Страница 13: ...ewly selected antenna are also recalled This is useful when comparing antenna performance on the same frequency Transmitting and Receiving During receive operation only the antenna and bypass indicato...

Страница 14: ...d tuning sequence where the AT 600Pro rapidly tries varying combinations of inductance and capacitance values and then zeroes in on the best match possible When the tuning cycle is complete if an acce...

Страница 15: ...ory tuning cycle Again bypass the amplifier while tuning The AT 600Pro will not tune if the transmit power is over 150 watts or if the transmit power exceeds 100 watts during high SWR conditions in or...

Страница 16: ...t panel LEDs in a particular fashion The following errors are reported ERR_NO_MATCH Unable to find a suitable match Upon completing an entire full tuning cycle no combination of inductors and capacito...

Страница 17: ...dditionally if the forward power exceeds the maximum value selected for the meter scale the PWR LEDs will blink an over range condition The four right most LEDs of the PWR bargraph will cycle during o...

Страница 18: ...ays the state of the High Low Impedance relay Repeatedly press one of these buttons to increase or decrease multiple times or simply hold the button and the button will auto repeat You may also transm...

Страница 19: ...press the L Dn Thresh button The display will show the currently selected SWR threshold value While holding the Func button the bargraph display will show the following pattern to indicate that the AT...

Страница 20: ...your transceiver s built in SWR meter will show the tuner s progress Remember to keep your eyes on the road however In most cases a match will be recalled from memory so the SWR will snap to a low va...

Страница 21: ...e transmission line can be thought of as a long string of capacitors and inductors in series parallel and the antenna is a kind of resonant circuit At any given RF frequency each of these can exhibit...

Страница 22: ...a This circuit measures forward and reflected power from which SWR may be calculated some meters calculate SWR for you More advanced units can measure forward and reflected power simultaneously and sh...

Страница 23: ...digital converters that provide signals proportional to the forward and reflected power levels The single lead primary through the center of the sensor transformer provides RF current sampling Diodes...

Страница 24: ...pacitance Toggle Auto Semi Mode Display Auto Semi Selection L Up Increase Inductance Set PWR Meter Scale Display PWR Meter Scale L Dn Decrease Inductance Set Auto Tuning SWR Threshold Display Auto Tun...

Страница 25: ...ase decision TWO YEAR TRANSFERRABLE WARRANTY Your product is warranted against manufacturer defects in parts and labor for two full years from the date of purchase This two year warranty is also trans...

Страница 26: ...nline 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 s...

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