TB 9-6625-2296-24
(b) DATA ENTRY 7 ......................
SINAD Meter
(c) SETUP .....................................
SINAD Meter Menu
(d) DATA ENTRY 1 ......................
Select SINAD In
(e) DATA ENTRY 2 ......................
SINAD/BER
(f) DATA ENTRY 8 ......................
Average On
(g) DATA ENTRY 9 ......................
Filter Select
(h) DATA ENTRY 1 5 K ...............
Low Pass Filter Freq 15.000 kHz
(i) Ret (F5) ....................................
Return to SINAD METER
1 kHz, source level to 1 V, press SOURCE FLOAT key to illuminate, record multimeter
indication, then set audio analyzer source level to minimum.
(5) Set calibrator frequency to 2400 Hz, amplitude for multimeter indication
recorded in (4) above and press calibrator NEW REF key.
(6) Set audio analyzer source level to 1 V.
(7) Use calibrator amplitude output adjustment controls to set calibrator control
display Error to +66.7%. If TI SINAD meter does not indicate between 8.9 and 11.1 dB,
perform b below.
(8) Set calibrator frequency to 4800 Hz.
Use calibrator amplitude output
adjustment controls to set calibrator control display Error to +25.8%. TI SINAD meter will
indicate between 3.4 and 5.6 dB.
(9) Press key sequence listed in (a) through (e) below:
(a) SETUP .....................................
SINAD Meter Menu
(b) DATA ENTRY 9 ......................
Filter Select
(c) DATA ENTRY ENTER ..........
until display reads Low Pass Filter Freq
(d) DATA ENTRY 3 0 K ...............
Low Pass Filter Freq 30.000 kHz
(e) Ret (F5) ....................................
Return to SINAD METER
(10) Set calibrator frequency to 9600 Hz.
Use calibrator amplitude output
adjustment controls to set calibrator control display Error to +96.242%. TI SINAD meter
will indicate between 27.4 and 29.6 dB.
b. Adjustments
(1) Press key sequence listed in (a) through (d) below:
(a) SETUP .....................................
SINAD Meter Menu
(b) AUX (F6) ..................................
Auxiliary Functions Menu
(c) DATA ENTRY 1 ......................
(d) DATA ENTRY 6 ......................
SINAD Meter
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