Related Manuals for LDG TW-1
Summary of Contents for LDG TW-1
- Page 1 LDG TW-1 Talking Wattmeter LDG Electronics 1445 Parran Road, PO Box 48 St. Leonard MD 20685-2903 USA Phone: 410-586-2177 Fax: 410- 586-8475 ldg@ldgelectronics.com www.ldgelectronics.com...
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Page 2: Table Of Contents
LDG pioneered the automatic, wide-range switched-L tuner in 1995. From its laboratories in St. Leonard, Maryland LDG continues to define the state of the art in this field with innovative automatic tuners and related products for every amateur need. -
Page 3: Jumpstart, Or "Real Hams Don't Read Manuals
Jumpstart, or “Real hams don’t read manuals!” Ok, but at least read this one section before you transmit: 1. Attach the RF input jack (right connector when viewed from back) to your transmitter or transceiver with a 50 ohm coaxial jumper cable. 2. -
Page 4: Getting To Know Your
"Two Hundred Forty Five Watts" to "Two Hundred Forty Seven Watts". There is no range switch; the TW-1 auto-ranges from 0 to 2,000 watts. There is no On/Off switch; the TW-1 automatically turns itself on during use and off after use. The idle current is less than... - Page 5 On the rear panel, there are two SO-239 RF connectors. The right-hand connector is the RF input (labeled Radio) for connection to your radio, and the left-hand connector is the output to your tuner or antenna (labeled Antenna). The 2.5 x 5.5 mm jack coaxial DC power connector is on the right.
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Page 6: Installation
(not provided) of suitable power handling capacity. Connect the output to your tuner or antenna. Your TW-1 requires 12 volts DC at 200 ma. Connect a suitable power supply to the 2.5 x 5.5 mm coaxial DC input jack using the provided 2.5 x 5.5 mm jack coaxial power connector (center positive). -
Page 7: Volume
Verbose Mode Terse Mode To return to "Verbose" mode, press the FWD and REV buttons together while you apply DC power. Volume Simply adjust the volume control to the desired audio level as you use your TW-1. -
Page 8: Speech Operation
SWR. To place your TW-1 in Tone mode, simply press and hold any of the three buttons for more than three seconds before applying RF. The TW-1 will beep to indicate it has changed to Tone mode;... -
Page 9: Application Notes
The TW-1 is also very useful for special situations when you need to "watch" more than one meter, as when you are tuning the output stage of a vacuum tube transmitter or amplifier. With your TW-1 in Tone mode, you can easily watch the plate current meter on the transmitter or amplifier while listening to the power output on your TW-1 in Tone mode. -
Page 10: Care And Maintenance
If you need to return your TW-1 to us for service, package it carefully, keeping in mind that we will re-use your packaging to return the unit to you. A self-addressed return-shipping label, while not required, will help insure speedy and accurate delivery of your repaired unit.
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