Lectrosonics HH Alignment Procedure page 24

demodulated carrier RF board
J3
Using the test panel key pad navigate to the "Gainsw"
gainsw=1 (sets codec gain swith setting to X8 branch)
Measure deviation at the
demodulated carrier RF board
J3
Measure distortion at the
demodulated carrier RF board
J3
Measure frequency response
of demodulated carrier (250Hz
ref) at RF J3
-35 dBu, 250 Hz, low distortion, sinusoidal signal in at audio input rig
Measure Phase response of
demodulated carrier at RF
board J3
Using the test panel key pad navigate to the "Gainsw"
gainsw=0 (sets codec gain swith setting to auto select)
Battery status telemetry adjustment, indicator & low voltage power up tests
Prerequisite(s) Unit in set-up mode
20 kHz
10 kHz
1 kHz
50 Hz
31.5 Hz
20 kHz
10 kHz
400 Hz
50 Hz
Deviation
select high gain
10.0 to 12.0kHz of
(11)
Deviation
≤ 1.5% THD+N (1.3)
-2 to +3 dB(r) (-0.5)
-1 to +1 dB(r) (-0.1)
-1 to +1 dB(r) (-0.1)
-1.5 to +1.5 dB(r) (+0.8)
-5 to -1 db(r) (-3.1)
(-53)
(+153)
(-160)
(-170)
select auto