TB 9-6625-2079-35
(7) Press HIGH-PASS 30 pushbutton. If necessary, adjust synthesized signal
generator FM Deviation for a TI indication of 100 kHz.
(8) Set synthesized signal generator FM Rate to 30 Hz. TI will indicate between
66.3 and 74.7 kHz.
(9) Press HIGH-PASS (Hz) 10 pushbutton.
(10) Set synthesized signal generator FM Rate to 300 Hz. If necessary, adjust
synthesized signal generator FM Deviation for a TI indication of 100 kHz.
(11) Press HIGH-PASS (Hz) 300 pushbutton. TI will indicate between 66.3 and
74.7 kHz.
(12) Press HIGH-PASS (Hz) 10 pushbutton and repeat (10) above for FM Rate of 3 kHz.
(13) Press HIGH-PASS (Hz) 3000 pushbutton. TI will indicate between 66.3 and
74.7 kHz.
(14) Press HIGH-PASS 10 and LOW-PASS (kHz) 15 pushbuttons.
(15) Repeat (10) above for FM Rate of 3.183 kHz.
(16) Press DE-EMPHASIS (green pushbutton) and 50 s pushbuttons. TI will
indicate between 69.3 and 72.1 kHz.
(17) Release DE-EMPHASIS and press LOW-PASS (kHz) 15 pushbuttons.
(18) Repeat (10) above for FM Rate of 2.122 kHz.
(19) Press DE-EMPHASIS and 75 s pushbuttons. TI will indicate between 69.3
and 72.1 kHz.
(20) Repeat (17) above.
(21) Repeat (10) above for FM Rate of 212.2 Hz.
(22) Press DE-EMPHASIS and 750 s pushbuttons. TI will indicate between 69.3
and 72.1 kHz.
(23) Repeat (17) above.
(24) Repeat (10) above for FM Rate of 1.0 kHz.
(25) Press DE-EMPHASIS and 6 dB/OCT pushbuttons. TI will indicate between
96.0 and 104.0 kHz.
(26) Disable outputs and connect equipment as shown in figure 3.
(27) Adjust measuring receiver controls as necessary to measure FM modulation
with PEAK+ DETECTOR.
(28) Release TI DE-EMPHASIS pushbutton and press pushbuttons as listed in (a)
through (c) below:
(a) HIGH-PASS (Hz) to 30.
(b) LOW-PASS (kHz) to 3.
(c) RANGE to 10.
(29) Adjust synthesized signal generator FM Rate to 3.0 kHz and FM Deviation for a
16.5 kHz deviation indication on measuring receiver.
10