Lectrosonics HHa-941 Quick Start Manual page 5

Freq.
The operating frequency
Gain
is normally determined
Freq.
using the scanning
function in the receiver
ProgSw
or with coordination
Rolloff
software. The frequency
is shown on the transmitter LCD display
in MHz and with a hexadecimal code that
is used on most Lectrosonics receivers.
ProgSw
The Programmable
Gain
Switch on the housing
Freq.
can be set to Talkback,
ProgSw
Power, Cough or a Mute
Rolloff function, or be bypassed
(none).
Rolloff
A sharp low frequency
rolloff filter protects
against breath pops
and can be used to
adjust the frequency
response to suit
personal preferences. The slope is
typically 36 dB/octave and varies slightly
as the turnover point is selected.
Compat
The HHa can be used with earlier Lec-
trosonics wireless and IFB systems and
systems from other manufacturers by
selecting the correct Compatibility Mode.
The receiver must be set to the same
mode .
Compat
StepSiz
TxPower
Phase
The available modes are as follows:
NU HYBR: Digital Hybrid (ETSI
•
compliant)
• IFB: Lectrosonics IFB receivers
www.lectrosonics.com
Gain
Freq.
ProgSw
Rolloff
Compat
Hybrid
StepSiz
The frequency can be
adjusted in 100 kHz
or 25 kHz steps to
match the receiver.
100 kHz is the
standard increment
for Lectrosonics
wireless systems, but 25 kHz increments
may be needed for use with systems
from other manufacturers or when
frequency coordination requires it.
TxPower
Output power can be set
Compat
to 100 mW to extend
StepSiz
operating range
can also suppress
TxPower
noise and dropouts to
Phase
some extent) or set to
50 mW to extend the operating life
of the batteries.
Phase
The phase (polarity) of the audio can be
inverted to match other microphone
capsules as needed.
TxPower
Phase
Rf On?
Default
Compat
StepSiz
TxPower
Phase
(which
Phase
Pos
Neg
5