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LDG AT-1000 User Manual

LDG AT-1000
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Jumpstart, or “Real hams don’t read manuals!”
Ok, but at least read this one section before you transmit:
Safety Warning: Never operate your AT-1000 with the cover removed; lethal RF voltages may be present
during operation. Never exceed specifications.
1. Connect your AT-1000 to a source of 11 – 15-volt DC power capable of supplying at least 1 Amp, red
lead positive; the pilot will flash once. Press the Power button to turn on the tuner.
2. Connect your amplifier output to the AT-1000 input socket labeled “Transmitter” using 50-ohm
coaxial cables. Connect the coax lead to your antenna to the AT-1000 output socket labeled
“Antenna”.
3. Set your amplifier to “Standby” mode so it will NOT operate when you transmit.
4. Transmit a carrier from your exciter
of 20 watts CW, FM or AM.
5. Momentarily press the “Tune” button on your AT-1000. An automatic tuning cycle will begin, then
stop. Check the meter to ensure an SWR of 2 or less before using your amplifier.
6. Tune your amplifier if needed; you’re ready to transmit.
Specifications
Microprocessor controlled
200 non-volatile memories
Switched L tuning network
Back-lit cross needle meters
Continuous coverage 1.8 to 54 MHz
Power rating HF (1.8 to 30 MHz):
1000 Watts Single Side Band
750 Watts CW
500 Watts Digital (RTTY, Packet, etc.)
Power rating 6 meters:
100 Watts
Capacitor / Inductor fine tune controls
Tuning time: 1 to 8 seconds, 4 average. Memory tune time: less than 0.5 seconds.
Antenna impedance: 6 to 800 Ohms (approximately up to 10:1 SWR)
Tuning power: 20 to 125 watts maximum, constant carrier
Relay protection software prevents tuning:
Greater than 125 watts into a 1:1 SWR load
Greater than 75 watts into a 3:1 SWR load
Soft touch buttons
Includes 6 foot power cable
Power requirements: 11 to 15 volts DC @ 1 Amp (user supplies power source)
Enclosure sizes: 9 x 13 x 3 (measured in inches)
Weight: 6 pounds
3

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LDG AT-1000 Specifications

General IconGeneral
BrandLDG
ModelAT-1000
CategoryTuner
LanguageEnglish

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