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Issue: 0.4
Prepayment Function
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P450 In Home Energy Monitor - DRAFT User Manual
11
Prepayment Function
11.1 Prepayment function overview
The P450 IHEM supports the management of Prepayment functionality via the Prepay menu function.
Within the Prepay function the following options are supported:
Transaction History
Low Credit Alarm
Code Entry
Emergency Credit
The Prepay screen structure is shown in overview below.
Prepay
Function
Transaction
History
Enter Code
Transaction
History
Enter Code
Screen
Modify
Low Credit
(Alarm)
Emergency
Credit
Amend Value
& Save
Value Saved
Validating
Entry
Entry
Successful?
Value Saved
Invalid Entry
Retry
Attempts
Exceeded
Code Entry
Disabled
Emergency
Credit Status
Take
Emergency
Credit
Yes
Yes
No
No
Figure 61 Example of Prepayment Screen Structure