Dear Valued Customers,

Customers who have purchased Globalsat BT-338 from Feb 2005 till July 30th is eligible for a free elective firmware upgrade to version 3.1.1.

If your BT-338 is performing with satisfactory results, you do *** NOT *** need this upgrade.

Steps:
1) Email us at sales@buyGPSnow.com with the following information:
a) Order number,
b) Serial number of your BT-338

2) You will receive an email with the intruction to complete this upgrade along with the address to send your parcel to.

3) Return shipping cost:
a) FREE to domestic US Customers.
b) For customers in Canada: Shipping cost is $18.00 via USPS Globals Express Mail.
c) For European and Asian customers: We recommend you contact your local Globalsat Distributor. If they could not provide a firmware upgrade service to you, you may contact us for further instructions.



Per US Globalsat, here are the list of improvements for version 3.1.1:
-> Allow the SiRF III chipset to be WAAS capable and activated via the “SiRF DEMO” utility software. *

-> Corrects potential message error in acquisition, which could result in no navigation data and also improves bit sync capability and recovery mode. (This error can cause fix problems from reacquisition after a blockage from receiving data also know as the ‘jet-lag” symptom).

-> Corrects cold start frequency search range problem, where frequency was not searched properly after 30 seconds.

-> Corrects potential cold start visible list problem, which could affect performance if all satellites are below 32 db-Hz

-> Corrects Message “41” datum field.

-> Corrects date stamp not updating.

-> Limits the 50 BPS thresholds to 27 to avoid undetected parity errors, which can give position errors.



Best Regards,
Sales Team at buyGPSnow.com