The Artech microprocessor based Scan Indicator measures the temperature of several channels. It indicates on a digital display the channel being scanned at a regular interval of time, which is adjustable from 1 sec . to 99 secs per channel. The automatic scanning can be disabled by depressing the Manual (M) Key. Manual increment of the channels is possible by pressing the Up (↑) & Down (↓) arrow keys. The instrument accepts inputs from sensors through terminal strips situated on the back panel.