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Summary of Contents for LDG M-7700
- Page 1 M-7700 OPERATIONS MANUAL MANUAL REV A LDG M-7700 External Meter for Icom IC-7700 LDG Electronics 1445 Parran Road St. Leonard MD 20685 Phone: 410-586-2177 Fax: 410-586-8475 ldg@ldgelectronics.com www.ldgelectronics.com PAGE 1...
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Page 2: Table Of Contents
Table Of Contents Introduction Jumpstart, or “Real hams don’t read manuals!” Specifications Getting to know your M-7700 Front Panel: Back Panel: Installation Setup Initial Calibration Meter Parameter Selection Operation Application Notes Base Station Use Remote Use Other Applications Care and Maintenance... -
Page 3: Introduction
1. Configure the IC-7700 for normal operation. 2. Plug the M-7700 into the radio’s meter jack using the included 1/8” stereo cable. The meter jack is on the rear of the transceiver, between the DC Out jack and the External Keypad jack. -
Page 4: Specifications
• Backlight requires 12VDC, 250mA. 2.5 x 5.5mm jack, center positive. GETTING TO KNOW YOUR M-7700 Your M-7700 is a quality, precision instrument that will give you many years of outstanding service; take a few minutes to get to know it. -
Page 5: Back Panel
Back Panel: The rear panel of the M-7700 has two jacks, a rocker switch, and two access holes for adjustments. The DC Coax jack accepts a 2.5 x 5.5mm coaxial DC power cable, 12V, 250mA, center positive. External power is only required if use of the internal backlight is desired. The meter functions correctly otherwise without it. -
Page 6: Installation
INSTALLATION The M-7700 is intended for indoor use only; it is not water-resistant. If you use it outdoors, (QSO Party outdoor barbecue, for example) you must protect it from rain. Place the M-7700 in a convenient location near the IC-7700. The included cable has a three foot reach. -
Page 7: Setup
As shipped from the factory, the M-7700 is calibrated, but may require some adjustment due to shipping or other factors. When the radio is off, the needle on the M-7700 should rest at the “1:1” line on the SWR scale. If it does not, insert a flat blade screwdriver into the plastic screw under the meter face on the front panel of the M-7700. -
Page 8: Meter Parameter Selection
Meter Parameter Selection With the transceiver still in the ACC menu, on the External Meter Output item, rotate the main tuning knob to choose which radio parameter is displayed on the M-7700 during operation. There are eight options from which to choose:... -
Page 9: Operation
The M-7700 has a blue backlight that may be turned on or off using the backlight power switch located on the top rear of the M-7700. The brightness of the backlight may be adjusted by inserting a screwdriver into the hole marked Backlight on the rear of the M-7700 and turning gently. -
Page 10: Care And Maintenance
The LDG Customer Support Center staff is ready to answer your product question by telephone and over the Internet. We know that you will enjoy your product even more knowing LDG is ready to answer your questions as the need arises. -
Page 11: Two-Year Transferrable Warranty
OUT OF WARRANTY SERVICE Any time a product fails after the warranty, LDG wants to help you get it fixed. Send the product to us for repair. We will determine what needs to be done, and, based on your prior instruction, either contact you with an estimate or fix it and contact you with a request to pay any repair charges.
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