The Playback Tm Box converts any Auto Meter  tachometer (except magneto version) into a playback  recording device. Full runs can be replayed at full or half  speed and viewed on the tach or downloaded to a  printer.An LED clock displays .0 1 second increments  for thorough analysis.   9150 Playback Box- For Drag Racing   Stores up to four, forty second runs.   9160 Playback Box- For Oval Track & Road Racing   Single recordings up to 10 minutes can be stored on the   high capacity single "page" of Memory.   5222 Replacement Wiring Harness for use with   the Playback Box (Model 9150 & 9160)   Same as the car-side disconnect harness packaged .
		Quality racing  wire,mounting cups,  panels & other  installation  accessories are  listed on pp. 86-90
"ARMS" Automatic Record Memory Start (Model 9150 only)  Four Recordings, 40 Seconds Each Memory Block OR (Model 9150 only)   10 Minute Recording for Oval Track (Model 9160 only) Start - Stop Control LED Time Clock Full and Half speed Playback Printer Output Capability with Printer Interface
Previously recorded runs stored in Auto Meter's  Playback Tachometer or Playback Box can be  downloaded into the Printer Interface.The run can be  sent directly to a printer without the need for a  computer.Any Epson format 9 or 24 pin dot matrix  printer will work. The Printer Interface is completely  portable with its own 9 volt battery (included).  9140 Printer Interface for Playback Tach and Tach  Playback Recorder (Drag) (Does not work with 3962 or  3963 tachometers or original series of Ultimate tachs  with toggle switch on inner control module) Holds up to  3 minutes of data storage.  9142 Printer Interface (Oval Track)  For use with 6876 or 9160. Holds up to 3 minutes of  data storage.