1100-2294 Rev 1 284.2.3 Instrument ConfigurationFor security, access to configuration and calibration options are restricted to authorized usersonly. Access to these functions require use of an unlock code. To unlock instrumentconfiguration: Configure Tab When prompted, enter unlock code to access device configuration.(The instrument’s default code is “1234”). Instrument will remain unlocked untilBluetooth® connection has ended.WARNING: Default alias, passkey and unlock code can be changed via theMGS-400 App’s configuration menu. Default values should be changed afterinstrument installation for security purposes.4.2.3.1 Change AliasTo allow easy identification of a given instrument, an alias can be assigned to each instrument.This alias is displayed when searching for an instrument via Bluetooth®, on calibration cert andin home tab. To set alias: Configure Tab Alias, Enter required alias for instrument, select OK. Instrument must be restarted for change to take effect. Home Tab Restart, will rebootdevice. Reconnect to instrument to confirm alias has been updated.4.2.3.2 Change Unlock CodeTo prevent unauthorized access to instrument configuration and calibration, default instrumentunlock code should be changed during commissioning. To change unlock code: Configure Tab Modbus Unlock Code, enter new 4-digit unlock code for instrument,select OK. Instrument must be restarted for change to take effect. Home Tab Restart, will rebootdevice. Reconnect to instrument to confirm unlock code has been updated.IMPORTANT: If custom unlock code is forgotten, unlock code may be reset todefault value (1234) by resetting system to factory defaults. Refer to section4.1.6 for system reset procedure. Note system reset will return all custom systemconfigurations to defaults4.2.3.3 Change Bluetooth PasscodeTo prevent unauthorized access to instrument status, default instrument Bluetooth® passcodecode should be changed during commissioning. To change Bluetooth® passcode: Configure Tab Bluetooth Passcode, enter new 6-digit passcode for instrument, selectOK.