National Instruments PXI-6561/6562 manual download
- National Instruments PXI-6561/6562 manual download
English 
- Bedienungsanleitung National Instruments PXI-6561/6562
- National Instruments PXI-6561/6562 manual
- Mode d'emploi National Instruments PXI-6561/6562
- Инструкция по эксплуатации National Instruments PXI-6561/6562
- Manuale d'uso National Instruments PXI-6561/6562
- Manual de instrucciones National Instruments PXI-6561/6562
- Manual de uso National Instruments PXI-6561/6562