User's Manual

Digital Hybrid
™
 Plug-On Transmitter
Rio Rancho, NM
7
Setup with the LCD
LCD screens and membrane switches are used to set 
the operating frequency, adjust the audio input level, 
select the Compatibility Mode, turn power on and off 
and to lock out the control panel.
Audio Screen
The Audio screen is used 
to adjust input gain and low 
frequency roll-off, and to turn 
phantom power on and off. Re-
peatedly pressing the AUDIO 
button selects the setting. Press 
and hold the AUDIO button and 
use the Up and Down arrows to 
adjust the value.
Frequency Screen
The Frequency Screen dis-
plays the operating frequency 
in MHz or as a two-digit 
hexadecimal number that cor-
responds to the equivalent 
Lectrosonics Frequency Switch 
Setting. Pressing the FREQ button toggles between the 
two displays.
Compatibility Mode 
Screen
Holding down the Up arrow button while powering up 
the SM opens the Compatibility Mode screen. By using 
the Up or Down arrow buttons, the user can select one 
of six compatibility modes:
Note: RF transmission is prevented while selecting 
Compatibility Modes. Also, the HM exits the 
Compatibility Mode screen to Standby Mode.
• 400-Thisisthefactorydefaultsettingandworkswith
all Lectrosonics 400 Series Digital Hybrid Wireless
™
receivers, including the Venue. This mode offers the 
best audio quality.
• 200-ThismodeworkswithallLectrosonics200
Series compatible receivers.
• 100-ThismodeworkswithallLectrosonics100
Series compatible receivers.
• 3-(Mode3)Thismodeworkswithanumberof
non-Lectrosonics analog receivers. Contact the 
company for a list of compatible receivers.
• IFB-ThismodeworkswithallLectrosonicsIFB
compatible receivers.
• 6-(Mode6)Thismodeworkswithanumberof
non-Lectrosonics analog receivers. Contact the 
company for a list of compatible receivers.
While in the compatibility mode screen, pressing either 
the AUDIO or FREQ button exits to standby mode. To 
power off from the compatibility mode screen, press 
and hold AUDIO and FREQ together.
Turning the Power On
With the power turned off, 
simultaneously pressing and 
holding the AUDIO and FREQ 
buttons displays a timer with 
numerals on the right. The numerals count up from one 
and the boot sequence begins when the count reaches 
three. “LECtro” is displayed as the boot sequence be-
gins. If either button is release prior to the screen reach-
ing numeral three, the unit will enter the Standby Mode 
with no RF output (see Standby Mode below).
Turning the Power Off
With the unit turned on, simul-
taneously holding the AUDIO 
and FREQ buttons starts a 
countdown timer with numerals 
on the right. The screen counts down from three and 
the transmitter turns off when it reaches zero. Releas-
ing either button prior to the Power Off Timer screen 
indicating zero returns the unit to normal operation and 
displays the previous screen.
Entering the 
Standby Mode
With the power turned off, 
pressing the AUDIO and FREQ 
buttons for about one second places the unit in Standby 
Mode. In this mode the RF output is turned off so all 
setup adjustments can be made without interfering 
with other systems operating in the same location. The 
screen displays “rf OFF” to remind the user that the unit 
is not transmitting.
Holding the FREQ button in Standby Mode displays the 
current operating frequency of the transmitter. The op-
erating frequency can be changed by holding the FREQ 
button and pressing either the Up or Down button. 
Release the FREQ button, then press and hold it again 
to toggle the display between frequency in MHz and the 
hex code corresponding to the equivalent Lectrosonics 
Frequency Switch Setting. 
Holding the AUDIO button in Standby Mode displays 
the current audio input level setting. This level can be 
changed by holding the AUDIO button and pressing 
either the Up or Down button.
Quickly pressing both the FREQ and AUDIO buttons 
simultaneiously when the unit is in Standby Mode pow-
ers off the transmitter. 
Lock/Unlock Screen
Simultaneously pressing and 
holding both the Up and Down 
arrow buttons during normal 
operation starts the Lock timer. 
The timer starts at three and 
counts down to zero. When the timer reaches zero, the 
transmitter’s controls are locked.
Initial Power On
Timer Screen
Initial Power Off 
imer Screen
Standby Screen










