
( Brand: Mfj ), ( Part Type: Memory )
The MFJ-493 Memory Keyer by MFJ Enterprises is a versatile and reliable digital keyer designed for amateur radio operators. This device is packed with features that make it an indispensable tool for any radio enthusiast.
The MFJ-493 Memory Keyer offers 100 memory positions, allowing you to store and recall up to 100 unique messages, making it ideal for CW (Continuous Wave) or RTTY (Radio-teletype) operations. Each memory position can store up to 40 characters, ensuring that you have ample space for your messages.
One of the standout features of the MFJ-493 is its adjustable speed control, which allows you to set the speed of your CW or RTTY transmissions between 5 and 60 WPM (Words Per Minute). This feature is particularly useful for operators who are just starting out with CW or RTTY, as it allows them to practice at a comfortable speed and gradually increase it as they gain more experience.
The MFJ-493 Memory Keyer also features a built-in CW and RTTY sidetone generator, which ensures that you can hear the sound of your own transmission, making it easier to monitor and correct any errors. The device is compatible with a wide range of radio transceivers, including those with key-down or key-up switching, making it a flexible and versatile option for any amateur radio operator.
The MFJ-493 Memory Keyer is built with durability in mind, featuring a rugged aluminum housing that can withstand the rigors of frequent use. The device is also powered by a 9V battery (not included), ensuring that you can use it anywhere, even when there is no access to a power outlet.
In conclusion, the MFJ-493 Memory Keyer is a powerful and reliable digital keyer that offers a wide range of features, making it an excellent choice for amateur radio operators. Its adjustable speed control, 100 memory positions, and compatibility with a wide range of transceivers make it a versatile and flexible option, while its durable aluminum housing and 9V battery power ensure that it can withstand frequent use and be used anywhere.
Pros of buying MFJ-493 Memory Keyer:1. Convenience: The MFJ-493 Memory Keyer allows you to program and store up to 100 CW messages, which can be recalled at the touch of a button. This is particularly useful for repeating call signs, messages, and sequences.
2. Easy to Use: The device has a user-friendly interface, making it easy to program and operate even for beginners. It also has a built-in LCD display to show the currently selected message.
3. Durable: The MFJ-493 Memory Keyer is made of high-quality materials and is built to last. It can withstand various weather conditions, making it suitable for outdoor use.
4. Versatile: The device can be used with various types of radios, including handhelds, mobile, and base stations. It also has a built-in CW generator, so you don't need to connect an external keyer.
Cons of buying MFJ-493 Memory Keyer:1. Price: The MFJ-493 Memory Keyer is not the cheapest option on the market. It may be more expensive than other keyers, which could be a deterrent for some budget-conscious users.
2. Size: The device is quite large and may not be suitable for portable use. It may be too bulky to carry around while operating from different locations.
3. Limited Functionality: While the MFJ-493 Memory Keyer is a versatile device, it does not offer advanced features like some other keyers do. For example, it does not have a built-in tuner or an auto-sequencing feature.
Conclusion:The MFJ-493 Memory Keyer is a reliable and convenient device for operators who want to automate their CW messages. Despite its higher price tag and larger size, its easy-to-use interface, durability, and versatility make it a worthwhile investment for many. If you're looking for a keyer with advanced features, you may want to consider other options, but if you're looking for a simple and reliable memory keyer, the MFJ-493 is a great option.
Recommendation:If you're looking for a memory keyer that is easy to use, durable, and versatile, the MFJ-493 Memory Keyer is a great choice. While it may be more expensive than some other options, its convenience and reliability make it a worthwhile investment. It's especially suitable for operators who want to automate their CW messages without having to deal with the complexities of advanced keyers.
It has 24 menu items on the front panel. You either need an old keyboard with the large connector, or get a pact to ps2 keyboard adapter not included and use a ps2 keyboard also not included. For action one each Mfj 493 super menu driven memory keyer. The unit requires a 12 CDC power adapter not included the menu items are 8 memories to hold your saved messages serial number for contests speed set weight set side tone set output tune edit message semi auto on off iambic on off queue on off output on off FCC exam simulator iambic a b paddle reverse hand key random code SO simulator note this keyer has a pact keyboard jack only.
I ran the keyer off the 12 station power with small hombre power cable. The adapters cost about note I am not a store, just a guy cleaning out the ham shack. This is a cw keyer that is driven by a PC keyboard.
The power connector is the same as used in most ham radio equipment with the pin positive.