D.T. Systems - Dog Tested, Dog Tough. Since 1983.
You can view and download instruction manuals for your unit here. Please note which model and version you have. Some models have multiple versions with slightly different features and instructions.
Micro-iDT PLUS with SmartLED
Micro-iDT PLUS
Micro-iDT Z3000, Z3002, Z3003 (ex. serial #A12345)
Micro-iDT Z3000, Z3002, Z3003 (ex. serial #12345)
H2O PLUS with SmartLED
H2O PLUS
H2O
SPT 2400