Instruction Manual - Sierra Instruments

Sierra Instruments Instruction ManualSmartTrak ® 100 Series2 Lower Level Screens: permit changes to instrument operation. They are passwordprotected. These include: Setpoint value Engineering units Gas Valve operation Source of the setpoint signal Form of the output signals Full scale of the instrument Password Zero Span3 Maintenance Features: Re-boot the SmartTrak microprocessor. Press the LEFT ARROW, DOWNARROW, ENTER, AND ESCAPE keys at the same time. Move the decimal point. Navigate to the “change the setpoint” menu. PressENTER to make one of the digits flash. While it is flashing, press ESCAPE at the sametime you press LEFT ARROW or RIGHT ARROW. Return all parameters to the factory default values. Navigate to the“Change the Setpoint” menu. Press LEFT ARROW, UP ARROW, and ENTER at thesame time. Choose “yes” to restore factory default settings. If you are trying to navigate using the pilot but the message appears,“Must be in Pilot Mode,” use the LEFT ARROW from this screen to navigate to the“Change Setpoint Source” and change to “Pilot / RS-232.” Escape and try again.32