HP 11848A Service Manual

Model 11848A Installationu n un y1 2 3 4 5 6 7SWITCH SETTING11848A REAR PANELFigure 3. HP-IB Address SwitchHP-IB Address SelectionThe HP-IB address is selectable using rocker switches on the rear-panel of the Phase Noise Interface.These rocker switches are set up in a binary format with switch number 1 as the least significant digitand switch number 5 as the most significant digit. (Switches 6 and 7 are not used.) Any one of 31HP-IB addresses can be set (00 through 30).The address of the HP 11848A is set to 20 at the factory (switches 3 and 5 high; 16 + 4 = 20). Referto Figure 3.STORAGE AND SHIPMENTEnvironmentThe instrument should be stored in a clean, dry environment. The following environmental limitationsapply to both storage and shipment:Temperature -55°C to +75°CHumidity 5% to 95% (maximum wet-bulb temperature = 40°C)Altitude 15 300 meters (50 000 feet)PackagingOriginal Packaging. Containers and materials identical to those used in factory packaging are availablethrough Hewlett-Packard offices. If the instrument is being returned to Hewlett-Packard for servicing,attach a tag indicating the type of service required, return address, model number, and full serialnumber. Also mark the container FRAGILE to assure careful handling. In any correspondence refer tothe instrument by model number and full serial number.11