Daikin Service Diagnosis Tool App can provide multiple service tool functions for your daily service diagnosis job.With "Service Diagnosis Tool" connection device (SDT-02),you can carry out below checks by this app.- Type3 checker function- Transmission monitor function- Inverter analyzer function- Actuator checker function- RAM monitor (show basic data only) functionTo use this app, you need below devices to connect withDaikins AC products. - Service Diagnosis Tool (SDT-02)- Wireless Adapter (BTSC/i2S)Operation guide PDF manual can be opened by Acrobat reader only (other PDF viewers cannot be used).