A: Pressing momentarily on the power button (approximately 1 second) will enable standby mode. The instrument will display the message “Going Into Standby Mode”. While in Standby Mode, the power consumption of the instrument is drastically reduced. In Standby Mode the Power LED will slowly flash on and off. A fully charged instrument can remain in standby mode for approximatley 7 days. Pressing the Power button briefly while in Standby Mode will return the Site Master to normal operation using the last applied settings.