Find the handheld that will be RECEIVING the inventory transfer
Open it
Click the Transfer Products menu item
This will open the Transfer Product form and automatically fill in the Transfer TO field
Select the Truck to Transfer FROM
Select the Product to be xfered
Set the Quantity that is being transfer
Click Save & New (or press F10)
This will save the Xfer records for both devices. The From will get a -1*Qty Xfered from it, the TO truck will get the positive value of the quantity transferred to it
The Select Product field will be cleared an another Transfer can be performed.