To recall a special order, first log into the POS, and select the customer whose special order you would like to recall. From the transaction window, select the 
button, or press F3.
In the recall transactions window, select the Special Order, which will be coloured blue (the type column will display Special Order and the reference column will say Outstanding). Press 
to apply a partial payment towards the special order (Processing Payments)
To completely pay off a special order, select the special order and press the 
button. Complete the transaction as normal. (Processing Payments)
Related:
Article written with AmberPOS version 4.14.05.05
Updated