Retrofit Digital Display for Harris SX-series AM Transmitters:

MP&A now has stock from the fourth production run of our well-regarded retrofit color LCD display for Harris SX series AM transmitters.   We saw the clear need for these over the years, as the original alphanumeric displays, made by Texas Instruments, have proven to be terribly unreliable, were declared obsolete by TI many years ago, and have been essentially unobtainium for many years now.

Working display in transmitter - complete with finger!

Display showing overloads in clear text

Even when the original display worked right, using it was cumbersome at best; the display showed only a 2-digit code for each channel/reading, and the user needed to have a chart of channel numbers to have any idea which reading was for what parameter, then go look up the normal readings in the (often lost) factory test data sheet.  Our retrofit solves these problems by displaying in plain text the channel name, unit of measurement, and even the usual normal reading, for any channel chosen (Our units have jumpers to select the type of transmitter it's in, so it will display proper normal values for that transmitter.)  With the original display, to diagnose any overload condition required yet another confusing chart - sometimes even requiring math to decipher the binary-weighted reading! - but our display lists the overloads in clear text.

Retrofit display ready to drop and plug in

Changing to the new display couldn't be simpler: Our display mounts onto the mounting studs of the old unit and plugs into the old one's ribbon cable.  You can either reuse the old keyboard, whose wires can be screwed down to matching pins on the new one, or we can supply a new keyboard with the new display.

Click here to see our marketing flier for the Harris SX Retrofit Display:

New Life for the SX

Units are in stock for immediate shipment.

COST: $750

But wait, there’s more! A portable version:

We also make a portable version of the display, which comes with a long ribbon cable, so a traveling engineer can keep one in their toolbox if they have to work on a transmitter that has not - yet! - been outfitted with our permanent retrofit display. Beats the hell out of a game of “name that reading” with half the digits missing.

Cost: $950