OPERATION MANUAL
NAV-402AP-3
1-3-1
Page 4
Sep 1/04
1.4 LOC MODE
LOC Tone Frequency Accuracy:
90 Hz: ±0.02%
150 Hz Variable: ±0.02%
1020 Hz: ±1%
LOC Tone Demod Distortion
(9960 Hz Reference Level set to min):
90 Hz: ≤2%
150 Hz: ≤2%
1020 Hz: ≤2.5%
Modulation:
CAL (90 Hz and 150 Hz): 20% AM ±2% for each tone
CAL (Audio Tones): 30% AM ±2% for each tone
Variable: 3% to 35% AM
External Mod (CAL): 30% AM (typical)
(10 Hz to 20 kHz, 5 Vp-p input)
External Mod Variable: 3% to 55% AM (typical)
(10 Hz to 20 kHz, 5 Vp-p input)
LOC DDM: 0.093, 0.155, and 0.200 DDM and Tone Delete
Accuracy: ±0.0013 DDM (±1.3 µA)
±0.0013 DDM (±7% of Setting) (At RF Output)
Variable DDM: ±0.4 DDM
Phase Shift: 90 and 150 Hz tones phase locked to 5 times VOR Bearing
Select switch setting (refer to 1-3-1, Table 1)
