6INSTALLATION■ Attaching the mounting brackets for a 19-inch 1U half-sized rack• The DN-F400 is half the size of 1U. Attach the included rack mounting brackets to the DN-F400. Then it can be mounted in an EIA 19-inch rack.• The RC-F400S is of desktop type only.1. Remove two screws on the side panel of the DN-F400.2. Attach the rack mounting bracket to the DN-F400 with the included two screws.Attach the bracket on the opposite side.00:45PGMRPTMUSIC \Honey.MP3■ Mounting in a rack• Do not cover the top of the unit. Remember, heat is dispersed from the DN-F400’s uppersurface.• Set up the installation environment carefully. For example, take care to protect the DN-F400 from heat from other devices. If necessary, use forced ventilation. The surroundingconditions must meet the specifications described in “SPECIFICATIONS” on Page 21.• If the DN-F400 is placed near an amplifier, tuner or other components, noise (induced hum)or beat interference may result (especially during AM or FM reception).If interference occurs, disconnect the DN-F400 or change the installation place.• If the unit is not to be mounted in a rack, remove the rack mount brackets and attach theincluded feet.CONNECTIONS■ Basic connection1. Rear panelDC IN 5VDC IN 5VPOWERPOWER RS232CRS232COFFOFFONONLGGNDHOTCOLDH CRGGNDHOTCOLDH CRC-F400SDN-F400RLAnalog audiocableIncluded AC adaptor(DN-F400)ParallelcableRS-232C straightcableUnbalancedoutputBalancedoutputPHOENIXplugIncluded AC adaptor(RC-F400S)Adjust, using a Phillips screwdriver.2. Front panel00:45PGMRPT\ MUSIC \Honey.MP3Headphones2. PREPARATIONS