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 infor-
mation.
Bitwriter®, Code Hopping™, Doubleguard®, ESP®, Fail-
Safe®, Ghost Switch™, Learn Routine™, Nuisance Preven-
tion® Circuitry, Revenger®, Silent Mode™, Soft Chirp®,
Stinger®, Valet®, VRS®, and Warn Away® are all Trade-
marks or Registered Trademarks of Directed®.
The Bitwriter (P/N
998U) requires chip
version 2.7 or newer to
program this unit.