Orban OPTIMOD 6200 Operating Manual page 134

4-16
MAINTENANCE
Inject the Digital Input XLR connector with a level of −1dBFS at 1kHz, 48kHz
K)
sample rate, word length of at least 18 bits (noise floor values will be limited by
smaller word lengths).
Measure and verify THD+N is below 0.01% from 20Hz to 20kHz (0.001% is typi-
L)
cal for both audio channels).
M) Disconnect the digital source generator and THD analyzer from the 6200.
13. Return OPTIMOD-DAB to service.
Remove the 600Ω resistors connected across the outputs.
A)
Recall your normal operating preset.
B)
Orban Model 6200