Bitwriters with a date code of 6a or older require an IC upgrade (p/n
998M). Some Bitwriters with a date code of 6B do not require the IC
upgrade, refer to tech tip # 1112 for more information.
Bitwriter®, Code Hopping™, Doubleguard®, ESP™, Fail-
Safe®, Ghost Switch™, Learn Routine™, Nite-Lite®, Nuisance
Prevention® Circuitry, Revenger®, Silent Mode™, Soft Chirp®,
Stinger®, Valet®, Vehicle Recovery System®, VRS®, and Warn
Away® are all Trademarks or Registered Trademarks of Direct-
ed Electronics.
The Bitwriter
®
(p/n
998U) requires chip
version 2.7 or newer to
program this unit.
