Spectre_User,
We had observed this behavior when we original reviewed both a pre-release
Escort Passport 9500i and a production Escort 9500:
If you haven't seen it, please refer to:
Escort, did recently release a software update, which went a long way toward resolving the ramp-up issue.
If you haven't yet had you flash updated, you may want to consider contacting them to do so, for you:
Veil Guy