OMC-040 low power settings - In "General settings" Set your "Data logging interval" as high as possible - In "Modem settings" Set "Modem during sleep" to "off" >> It's not possible anymore to randomly dial-in to the logger - Use "Alarm SMS" with great care, especially when configuring data alarm tresholds - Don't use "SMS Commands", or use a "SMS Commands check interval" equal to your "Data send interval" - Don't'use "GSM Signal sensor", or set "Independent data log" to "On" and set the "Sample log interval" equal to your "Data send interval" - If you use "GPS", set "Independent data log" to "On" and set the "Sample log interval" as high as possible - Set your Sensor "Sample interval" as high as possible or equal to your "Data logging interval" >> It prevents repeatedly sensor om during data sending - Set your Sensor "Warm up time" to the shortest time possible (0 or 0.25 sec if possible) - Use preferably TCP (to OMC-Data-Online) instead of FTP or Email >> It saves up to 40% Modem on time - Set your "Data send interval" as high as possible - In "Internal sensors" use the parameters "Rest Capacity", "Average Current" and "Operating Cycle" to monitor low power behavior - Never leave the USB connected and powered to your PC >> Logger doesn't sleep when the user interface to your USB is active