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AUDIO CONTROL BOX CASQUE HEADSET BUS 1 "NAV 1" RELAIS GENERAL RADIO RADIO MASTER RELAY "RM.SWITCH" OFF ? 9.-Thi ON INTERRUPTEUR GENERAL RADIO RADIO MASTER SWITCH NAV 1 Installation - Electrical schematic Figure 1 AGAG Validity : KNS 81 34-51 00Page 2 (BI) FEB 00 The integrated navigation system combines in a single unit a VOR / LOC receiver, an RNAV computer and a glideslope receiver. The DME warning indicator (option) annunciates the situation where the frequency information used to tune the DME interrogator are not supplied by the integrated navigation system. The signal separator (option) permits operation of two receivers from one antenna. In RNAV, the system operates jointly with the DME installation - refer to 34-55-00. The NAV 1 installation is connected with : - the audio control box - refer to 23-11-00, - the optional radio magnetic indication system - refer to 34-25-00, - the optional autopilot system - refer to 22-10-00. The system is electrically supplied by "BUS 1" bar and protected by "NAV 1" circuit breaker. NOTE : For RUSSIAN and UKRAINIAN aircraft the system is electrically supplied by "BUS 2" bar. 2. LOCATION (Figures 2, 3 and 4) COMPONENT QTY AREA ACCESS DOOR REFERENCE Integrated navigation system 1 251C / 34-50-00 VOR signal separator (option) 1 251 C / 34-51-00 GS signal separator (option) 1 251 C / 34-51-00 VOR / LOC antenna 1 310 311 or 313 34-51-00 GS antenna 1 310 311 or 313 34-51-00 Course deviation indicator (option) 1 251 L / 34-51-00 DME warning indicator (option) 1 251 C / 34-51-00 Circuit breaker : - "NAV 1" 1 230 232L WM 3. OPERATION NOTE : For equipment operation and maintenance, refer to the supplier's Maintenance Manual.
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