Purchase order settings
Settings → Modules → Purchase Order covers how purchase orders are numbered and the two lists a PO chooses from.

Settings → Modules → Purchase Order
Default settings
Section titled “Default settings”
Settings → Modules → Purchase Order → Purchase Order default
Prefix is the letters in front of every PO number and is required; Set PO counter from is the number the next one takes. Update saves.
Payment mode
Section titled “Payment mode”
Settings → Modules → Purchase Order → Payment Mode
How you pay the supplier. Ships with Cash, Cheque, Credit Card, Debit Card and Direct Deposit, all marked Default.
Add Payment Mode adds your own — a supplier account, a company card, a finance arrangement.
Delivery mode
Section titled “Delivery mode”
Settings → Modules → Purchase Order → Delivery Mode
How the goods get to you — courier, supplier’s van, collected by an engineer, direct to site. Add Delivery Mode adds one.
Delivery mode is worth filling in when you receive stock in more than one way, because it is what tells your stores whether to expect a pallet or whether an engineer has already taken the parts straight to a job.
Related
Section titled “Related”- Purchase orders
- Creating a purchase order
- Receiving a purchase order — where the delivery mode is recorded
- Suppliers