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.
2 ldg tw-1 talking wattmeter table of contents introduction 2 jumpstart, or “real hams don’t read manuals!” 3 specifications 3 getting to know your tw-1 4 installation 6 setup 6 language 6 speech mode 6 volume 7 speech operation 8 tone operation 8 application notes 9 care and maintenance 10 technica...
3 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. Attach your antenna to the rf output (left connect...
4 getting to know your tw-1 your tw-1 is a quality, precision instrument that will give you many years of outstanding service; take a few minutes to get to know it. On the front panel, there is a volume knob and three pushbuttons: • volume: adjusts the volume of the synthesized voice • forward: meas...
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..
6 installation the tw-1 is intended for indoor use only; it is not water resistant. If you use it outdoors (field day, for example) you must protect it from rain. Position your tw-1 in a convenient spot on your operating desk, as close to your transceiver or transmitter as practical. Connect the inp...
7 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. Verbose mode terse mode.
8 speech operation spoken readouts are available on demand; the readout is spoken on button release. There is no need to set the power range; your tw-1 auto-ranges from 0 - 2,000 watts. With rf present, press and release a button to produce the following spoken readouts: fwd button: forward rf power...
9 application notes the tw-1 is primarily intended for visually impaired hams, and those of us more "experienced" hams who must resort to bifocals, making small meters hard to see at any distance. The tw-1 is also very useful for special situations when you need to "watch" more than one meter, as wh...
10 care and maintenance your tw-1 tuner is essentially maintenance-free; just be sure to observe the power and voltage limits discussed in this manual. The outer case may be cleaned as needed with a soft cloth slightly dampened in a mild household cleaning solution. As with any modern electronic dev...
