Directed Electronics 4103, 4-button series Installation Manual page 2

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
998U)
version 2.7 or newer to
program this unit.
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 (p/n
®
requires chip