Specifications

76• Service Mode Programming ER-390M Electronic Cash Register AU
Memory Allocation Scan
1. Turn the control lock to the S-Mode to scan the allocated memory.
2. To Scan Memory Allocation, enter 6 0, press the SBTL key.
0 SBTL 6
3. Press CASH key.
CASH
PC Online Mode
In ER-390M, there are no special commands to enter PC Online Mode.
When you want to enter PC Online mode, all you have to do is to set 232 Communication Option in
Programming.
When PC sends commands to ECR, The ECR will be automatically Online Mode if connected.