The linking features are implemented as of version 2.0. Linking and unlinking procedures are expalined on page 2 of a new quick-guide just posted in the downloads section of our website.
A revised utility will be posted in a couple of days that will let you interrogate the EZRain for its firmware version. The units also have a sticker indicating the PLM revision (should be 2.4 or above) and the EZRain revision (2.0 or above).
Once again, this is a new feature, not a correction to a bug but we’ll be happy to upgrade your unit if you send it to us postage paid. An RMA can be obtained by e-mailing to firstname.lastname@example.org.
Only product shipped from us or from our distributors after this week will have the new firmware.