IFR NAVAIR NAV-750

NAVAIR 17—2OAX—737
CALIBRATIONCHECKLIST
TEST INST (S) IFR Inc. NAV-750, NAV-750A, and NAV-750B VOR/LOC/COMMand G/S Bench Test Sets
PROC. NO. NA 17-2OAX-737 MFG. MODEL SER. NO.
PROCEDURE
STEP
NO.
(1)
FUNCTION TESTED
(2)
NOMINAL
(3)
MEASUPFD VALUES
°~
TOL
(6)
CALIBRATION TOLERANCES
(7)
FIRST RUN
(4)
SECOND RUN
(5)
(V dc) (mV dc)
4.4.3.17 DC offset 0.0 —40.0 to +40.0
4.4.3. 19 1020 Hz tone —— ck () NA Displayed
“ (V dc) (mV dc)
“
0.0
—
—40.0 to ÷40.0
4.4.3.22*
400 Hz tone
—— ck () NA Displayed
“
(V dc) (mV dc)
“ DC offset 0.0 —80.0 to ÷80.0
4.4.3.24* 1300 Hz tone —— ck () NA Displayed
“ (V dc) (mV dc)
“ DC offset 0.0 — —80.0 to +80.0
4.4.3.26* 3000 Hz tone —— ck () NA Displayed
“
(V dc) — (mV dc)
“ DC offset 0.0 —80.0 to +80.0
4.5 Tone Frequency Tests
(Hz) (Hz)
—
— (Hz)
4.5.3 30 REF 30.0 29.994 to 30.006
4.5.6 90 90.0 — 89.982 to 90.018
4.5.8 90 90.0
“
(Hz) (Hz) — (Hz)
4.5.10 150 150.0 149.97 to 150.03
4.5.12
150
150.0
“
(p.s) — (p.s)
4.5.18 9960 Hz deviation 48.5 46.1 to 50.9
(Hz) (Hz) — (Hz)
4.5.19 9960
9960.0 9958.008 to 9961.992
4.5.22 30 Variable 30.0 —
29.994 to 30.006
4.5.24 1020 1020.0 1014.9 to 1025.1
*Applicable only if TI is a NAV—750B.
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