The price table settings window will popup up, (as shown below). Click on the Settings tab.
To allow your customer to vary the quantity to order for all line items in this price table, set the switch to the ON state for Customer can change Qty to Order (All Price Lines in Price Table).
Click on the Close button.
Allow A Customer to choose "Quantity To Order " For A Group of Price Line Items
After creating your price line items in a sales quote price table, add a subheading above the price lines you want to group and allow your customer to vary the Quantity to Order.
While hovering over the sub-heading, you will see a green tab appear on the left of the Sub-Heading, as shown below.
Click on the green tab.
A window will popup containing the possible settings for a group of price line items under a sub-heading.
Click on the switch on the left of the label Customer can change Qty to Order, so that the switch in "on", ie. the green state (as shown below).
Allow a Customer to vary "Quantity To Order" for a Single Price Line Item.
To set the Customer can change Qty to Order setting for a single price line item, click on the Actions menu button on the right of the price line item.
Next click on the Options menu item.
A window will popup showing the possible settings for a single price line item.
Set the switch on the left of the Customer can change Qty to Order label to the "on" state, i.e. green, (as shown below).
Click on the Save button
Click on the Save and Preview button
As shown below, you will see that the price line items that allow a customer to modify the quantity will have a grey border to indicate the Quantity can be changed. Note, you cannot change the quantity when previewing the Sales Quote, the quantity can be modified by the customer when you send the sales quote to them.