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Related Manuals for LDG ALK-2
Summary of Contents for LDG ALK-2
- Page 1 ALK-2 OPERATIONS MANUAL MANUAL REV A LDG ALK-2 Two-Port Audio/Linear/Key Switch LDG Electronics 1445 Parran Road St. Leonard MD 20685-2903 USA 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 Important Safety Warning Getting to know your ALK-2 Front Panel Rear Panel Pinouts Block Diagram Installation Operation Desktop / Local Operation Remote Operation Application Information Examples Technical Support... -
Page 3: Introduction
5. The ALK-2 1/8” stereo plug on each port is wired in parallel with the two RCA jacks on that port. This allows one to; for example, plug a 1/8” stereo plug into the common port, but use RCA plugs on the switched ports, or vice versa, or any combination thereof. -
Page 4: Important Safety Warning
GETTING TO KNOW YOUR ALK-2 Your ALK-2 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: Rear Panel
RCA jacks. Each RCA jack connects to one of the two circuits in the 1/8” stereo jack. When using a mix of 1/8” stereo plugs and RCA plugs, the ALK-2’s RCA jacks follow the industry standard convention for color coding. The red jacks connect to the 1/8” jack’s right audio channel, and the white RCA jacks connect to the 1/8”... -
Page 6: Block Diagram
For each of the three ports, Port 1, Port 2, and Common, the 1/8” stereo jack pinout is as follows: BLOCK DIAGRAM The following is a block diagram of the ALK-2: PAGE 6... -
Page 7: Installation
INSTALLATION To install the ALK-2, attach either a 1/8” stereo plug or pair of RCA plugs to each of the two switched ports, and also to the common port. Attach the supplied 12VDC coaxial power plug to the 2.5 x 5.5mm power jack, and apply 12VDC at 100 mA. The center pin of the DC power jack is positive. -
Page 8: Technical Support
Please contact LDG if you have any questions before you send us an out- of-warranty product for repair. -
Page 9: Returning Your Product For Service
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. We regret that we are not staffed to provide periodic updates on the status of repairs.
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