Sport Timing Specialists   Home  |  Products  |  Pricing  |  Brochure  |  Support  |  Contact Us  |  Links Instruction Manuals Polaris Timer There are four versions of the Polaris timer: Two wireless version and two different wired versions. Look at your Polaris timer console and click on the appropriate link below: Timer console has a battery compartment Timer console has an antenna but no battery compartment Timer console has two electric eye connections Timer console has three electric eye connections   Allegro Timer There are five versions of the Allegro timer: Three wireless versions and two wired versions. Look at your Allegro timer console and click on the appropriate link below: Timer console has a battery compartment Timer console has an antenna and a "No Time" button but no battery compartment Timer console has an antenna and does not have a "No Time" button Timer console has no antenna and just one black button Timer console has no antenna and four black buttons   MD-300 Timer There are two versions of the MD-300 timer. Look at your MD-300 timer console. Does it have red lettering next to each button (along with black and blue lettering) or just black and blue lettering? Red lettering present next to buttons No red lettering next to buttons   MD-200 Timer There are two versions of the MD-200 timer. Look at your MD-200 timer console. Does it have four buttons in a row across the bottom, or just one button under the display and three to the side? Four buttons across bottom One button under display, three buttons to the side © 2007 FarmTek, Inc.