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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 transferable. When you sell or give away your LDG 
product give the new owner a copy of the original sales receipt and the two-year warranty goes with the 
new owner. 

There is no need to complete a warranty card or to register an LDG product. Your product receipt 

establishes eligibility for warranty service so save that receipt. Send your receipt with the product 
whenever you send your product to LDG for repair. Products sent to LDG without a receipt are 
considered requests for out-of-warranty repair. 

LDG does not warranty against product damage or abuse. This means that a product failure, as 

determined by LDG, to be caused by the customer or by other natural calamity (e.g. lightning) is not 
covered under the two-year warranty. Damage can be caused by failure to heed the product’s published 
limitations and specifications or by not following good Amateur practice.  

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. Please 
contact LDG if you have any questions before you send us an out-of-warranty product for repair.  

RETURNING YOUR PRODUCT FOR SERVICE 

Returning a product to LDG is easy. We do not require a return merchandise authorization. Visit the 

Customer Support Center and download the LDG Product Repair Form. On the Repair Form tell the 
LDG technicians exactly what happened or didn’t happen and why you believe the product needs 
servicing. The technician attempts to duplicate the problem(s) you had based on how well you describe 
it so take the time to be accurate and complete.  

Ask your shipper for a tracking number or a delivery verification receipt. This way you know the 

product arrived safely at LDG. Be sure to give us your email address so our shipper can alert you online 
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 six to eight weeks, but are usually faster than this. The most recent information on 

returning products for service is found at the LDG Customer Support Center.  

      Mail your carefully packaged repair with the Repair Form to: 

LDG Electronics, Inc. 

Attn: Repair Department 

1445 Parran Rd 

St. Leonard, MD 20685

 

 

Summary of Contents for M-7700

Page 1: ...RATIONS MANUAL MANUAL REV A PAGE 1 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 2: ...nel 4 Back Panel 5 Installation 6 Setup 7 Initial Calibration 7 Meter Parameter Selection 8 Operation 9 Application Notes 9 Base Station Use 9 Remote Use 9 Other Applications 9 Care and Maintenance 10 Technical Support 10 Two Year Transferrable Warranty 11 Out Of Warranty Service 11 Returning Your Product For Service 11 Product Feedback 2 ...

Page 3: ... can be independant of what is displayed on the main meter giving the flexibility to watch two parameters at the same time JUMPSTART OR REAL HAMS DON T READ MANUALS Ok but at least read this one section before operating the M 7700 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 trans...

Page 4: ...ires 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 Front Panel The front panel of the M 7700 shows seven calibrated scales S Received signal strength ID Final Output Transistors Drain Current Amps PO Transmit power output in watts SWR Tr...

Page 5: ...esired a standard headphone extension cable may be used to place the M 7700 farther from the radio The rocker switch is used to turn the internal backlight on and off It may be desirable to turn off the internal backlight when attempting to conserve battery power The brightness of the backlight may be adjusted with a small flat blade screwdriver Carefully insert the screwdriver into the hole label...

Page 6: ...etween the DC Out jack and the External Keypad jack Plug one end of the included 1 8 stereo cable into the meter jack Plug the other end of the cable into the jack marked Radio on the rear of the M 7700 If desired connect a suitable power supply 12VDC 250mA to the DC Power jack on the rear of the M 7700 using the supplied 2 5 x 5 5mm center positive power cable This power connection supplies power...

Page 7: ...down and F2 up soft buttons scroll down until the External Meter Output item is selected Rotate the main dial knob until VD is selected This displays the output drive transistor voltage which should be constant at 48 volts Press the F1 down button one more time to select External Meter Level and rotate the main dial knob clockwise until the level is at 100 percent Repeatedly press the soft button ...

Page 8: ...meter displays same as internal virtual meter S Displays signal strength on receive only PO Transmit power output watts SWR Standing wave ratio ALC Automatic Level Control COMP Voice compression ratio in dB VD Final amplifier transistor drain voltage Nominally 48VDC ID Final amplifier transistor drain current When finished selecting the External Meter Output press EXIT SET twice to return to norma...

Page 9: ...cluded 1 8 stereo connection cable provides the ability to place the meter up to several feet away from the transceiver Some obvious choices include on top or beside the radio or near the station computer Remote Use The M 7700 may be placed farther away from the IC 7700 if desired A standard 1 8 stereo headphone jack extension cable is all that is required to connect the M 7700 to the external met...

Page 10: ...the need arises Our website links you to the on line Customer Support Center where you can send us a question do your own research in the LDG Product Knowledge Books and read through lists of frequently asked product questions LDG regularly updates on line information so the best on line support information is available all day and every day The LDG website provides links to product manuals just i...

Page 11: ...eeds 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 Please contact LDG if you have any questions before you send us an out of warranty product for repair RETURNING YOUR PRODUCT FOR SERVICE Returning a product to LDG is easy We do not require a return merchandise authorization Visit the Customer S...

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