Write a Check (Demand) checkbook entries includes the ability to write "one-off on-demand" checks and the ability to "distrubute" the transactions for which the check(s) "cover/pay" to "off-setting" journal entries.
To make checkbook entries, select Bookkeeping from the Menu Tree Menu or the Windows Drop Down Menu, then select Checking, and then select Write A Check.
All 3 fields shown above are "defaulted" by the system or you can use the 
button for a different than default A/P Account Selection:
Select the appropriate account Item by double left clicking on that account record in the browse list or scroll to the desired account record and press the button to fill the A/P Cash Account field information.
NOTE: Thus you can have more than one General Ledger Account to track more than one checking account. However, those checking accounts can only be at the one bank listed in the Company Default record.
Use the button for Date Range Selection:
You will be returned back to the Accounts Payable Check Setup Form:
Press the 
button and the Write A Check Form will display...
Select "Print this Check" as shown if you need to print this check.
Press the button to select the Vendor to pay.
Select the appropriate Vendor by double left clicking on that Vendor's record in the browse list or scroll to the desired Vendor record and press the button to fill the Pay To The Order Of: information.
Press the Check G/L Journal Entry Distribution Tab:
Double left click on the distribution line item and
The distribution record Window is displayed:
Check "Apply to Inventory" if applicable.
Use the button to make an Inventory Distribution Item selection.
Select the appropriate Inventory Item by double left clicking on that Inventory record in the browse list or scroll to the desired Inventory record and press the button to fill the Distribution Item field information.
You will be returned to the Distribution Record Form.
Enter the Quantity field and Amount field information and press the button.
You will be returned to the Check G/L Journal Entry Distribution Tab:
Press the button to print the check. NOTE: The check will print without a "preview" so make sure your entries are correct.