1. **Heading Selector:** Selects heading, used by Autopilot NAV Mode
2. **Heading Bug:** Displays selected heading.
3. **Small Needle:** Always displays bearing to the VOR Station selected.
4. **Large Needle:** Displays bearing to navigation source as selected by the Mode Selector knob. For example, if NAV is selected on Mode Selector, bearing displayed will correspond to the INS Waypoint.
5. **Distance Drums:** Provides distance, in nautical miles, to navigation source as selected by the Mode Selector knob.
6. **Mode Selector:** Selects the navigation source
1. NAV CV: Provides bearing and distance to tuned VOR
2. NAV: Assuming the INS System is aligned, and a valid waypoint is entered and selected, it will provide bearing and distance to this waypoint
3. TAC: Provides bearing and distance to tuned TACAN Station
4. VAD: Not Modeled
5. RHO: Not Modeled
6. THETA: Not Modeled
7. TEL: Not Modeled
## VOR and TACAN Selector Panels
VOR/ILS and TACAN Panels
1. **VOR/ILS Frequency Selected Drums**
2. **VOR Mode:** AUTO/Manual, no sim function
3. **VOR Frequency Selector Knob,** Integer Part
4. **VOR Frequency Selector Knob,** Decimal Part
5. **TACAN Channel Selector Knob,** Hundreds and Tens
6. **TACAN Mode Selector:** OFF/REC/TR/AA
7. **TACAN Channel Selector Knob,** Units
8. **TACAN Channel Selected Drums**
9. **TACAN X/Y Mode Switch**
