Occasionally, if the radio signal is blocked or the transmitter is down, the telemeter might fail to switch. The manual suggests checking if the internal clock icon is flashing, which usually means it’s searching for its radio "orders". Are you looking to download a specific PDF of this manual, or do you need help interpreting a specific reading on your display? Horstmann Radio Telemeter Series K Manual - Facebook
. This device acts as a precise radio-controlled switch that listens for a specific long-wave signal (often broadcast via BBC Radio 4 transmitters) to tell your electricity meter exactly when to switch between daytime and nighttime tariffs, such as Understanding the "Series K" Manual
Unlike older mechanical time switches that could drift and get out of sync (causing your "night" rate to start at 2 AM instead of midnight), the "Radio" part of the Series K ensures it is always perfectly synced with the National Grid’s clock. Troubleshooting Tales