(c) Press TI ENTRY FM pushbutton and enter DATA frequency modulation
(d) Using measuring receiver, measure FM deviation. Measuring receiver
deviation will indicate within limits specified in table 19.
Modulation analyzer indications
b. Adjustments. No adjustments can be made.
a. Performance Check
(1) Set measuring receiver to measure FM with a 300 Hz high pass filter and
a 15 kHz low pass filter.
(2) Set audio analyzer to measure distortion.
(3) Press TI pushbuttons as listed in (a) through (k) below:
ENTRY - AMPTD.
DATA - (+10 dBm).
ENTRY - ΦM.
MODULATION SOURCE - EXT DC.
ENTRY - MOD FREQ.
DATA - 1 kHz.
ENTRY- MOD OUT.
DATA - (+1 V).
(4) Perform steps (a) through (c) below for each row in table 20.
(a) Press ENTRY FREQ and enter DATA carrier frequency.
(b) Press SHIFT - ΦM and enter DATA rad.
(c) Set the measuring receiver to measure the PM. Phase modulation will
indicate within limits specified.