Eurocom M4 - Manual (Page 223)

Troubleshooting
EM820W 3G Module PIN Code & Power-Saving 8 - 15
8
EM820W 3G Module PIN Code & Power-Saving
Note that there may be some issues when a PIN Code is set for the EM820W 3G module (if you are unsure of
your module version contact your distributor/supplier) in Windows, if Mobile Broadband has been turned off,
and the system has resumed from a power-saving state. To prevent any issues it is recommended that you
simply do not enable a PIN for the EM820W 3G module. The following provides instructions for disabling
the PIN code.
Disabling a PIN code for a 3G Module
1. Go to the Charms Bar.
2. Click Change PC Settings.
Figure 8 - 2 - Change PC Settings