The Agilent 8591C Cable TV analyzer gives devoted video measurements and non-interfering RF in a tough, economical instrument. The 1-button measurements could be utilized for testing the whole system automatically or for flexible troubleshooting by just pressing a button. The software & hardware design that are flexible allows you to simply have the analyzer upgraded to accommodate changes in measurement techniques and required measurements. For extra flexibility, the NTSC format is standard, with options available for worldwide SECAM & PAL formats as well as frequency plans.