User's Manual
Digital Hybrid Wireless Belt-Pack Transmitter
Rio Rancho, NM
11
PWR/FUNC
-10
-20
AUDIO
494.500
b 19
MUTE
<–MUTE–>
51
Main Window will blink 
the word MUTE when 
the audio is muted
Top Panel LED will 
blink blue when the 
audio is muted
If the programmable switch function is set for Talkback, 
the Main Window will indicate that the function is en-
abled but not active.
494.500
-40
-20
0
b 19
TB
51
Talkback 
function is 
enabled but 
not active
When the programmable switch is turned on, the talk-
back icon appearance will change and the power/func-
tion LED will glow blue.
PWR/FUNC
-10
-20
AUDIO
494.500
-40
-20
0
b 19
TB
51
The TB icon will 
change when 
Talkback is active
Top Panel LED will 
glow blue when 
Talkback is active
Selecting the Compatibility (Compat) Mode
When used with a Lectrosonics Digital Hybrid Wireless
®
receiver, the best audio quality will be achieved with the 
system set to the Nu Hybrid compatibility mode.
Rolloff
Compat
StepSiz
Phase
Compat
Nu Hybrid
Use the UP and DOWN arrows to select the desired 
mode, then press the BACK button twice to return to the 
Main Window.
Compatibility modes are as follows:
Receiver Models 
•  Nu Hybrid
• IFB
•  Mode 3 
NOTE: If your Lectrosonics receiver does not have 
Nu Hybrid mode, set the receiver to Euro Digital 
Hybrid Wireless® (EU Dig. Hybrid).
Connecting the Signal Source
Microphones, line level audio sources and instruments 
can be used with the transmitter. Refer to the section 
entitled Wiring Hookups for Different Sources for 
details on the correct wiring for line level sources and 
microphones to take full advantage of the Servo Bias 
circuitry.
Using Line Level and Instrument Inputs 
Two types of high levels signals can be used with the 
transmitter:
•  Line  Used with line level outputs from recorders, 
mixers and other audio devices.
•  Instr.  (instrument) A special type of high imped-
ance input with an active preamp for an 
optimal match with instrument pickups.
Gain
LineIn
Freq.
ProgSw
LineIn
Line
Instr.
LineIn
Line
Instr.
The wiring of the connector is the same for both types 
of inputs. 
Selecting the Low Frequency Roll-off
Low frequency audio content may be desirable or 
distracting, so the point at which the roll-off takes place 
can be set to 35, 50, 70, 100, 120 and 150 Hz.
Rolloff
70 Hz
Rolloff
Compat
StepSiz
Phase










