Instruction Manual
DPR
LECTROSONICS, INC.
8
Operating Instructions
BACK
Button
POWER
Button
Modulation 
LEDs
PWR LED
UP Arrow
DOWN Arrow
KEY LED
MENU/SEL 
Button
Turning Power ON
Short Button Press
When the unit is turned off, a short press of the power 
button   will turn the unit on in the Standby Mode with 
the RF output turned off.
DPr
00 :  02 :  37
-20
+0
470.100
-40
RF indicator blinks
Long Button Press
When the unit is turned off, a long press of the power 
button   will start a countdown to turn the unit on with 
the RF output turned on. Continue to hold the button 
until the countdown is complete.
Hold
for
Rf On
...3
DPr
00 :  02 :  37
-20
+0
470.100
-40
RF indicator not blinking
Hold power 
button until 
the counter 
reaches 3
If the button is released before the countdown is com-
pleted, the unit will power up with the RF output turned 
off (standby).
Transmitter Operating 
Instructions
•  Install battery(s)
•  Turn power on in the Standby mode (see previous 
section)
•  Connect microphone and place it in the position 
where it will be used.
•  Have the user talk or sing at the same level that 
will be used in the production, and adjust the 
input gain so that the -20 LED blinks red on 
louder peaks.
Input...
Gain
Rolloff
Phase
-40
-20
+0
Gain
22
Use the UP and DOWN 
arrow buttons to adjust 
the gain until the -20 
LED blinks red on 
louder peaks
Signal Level -20 LED -10 LED
Less than -20 dB
 Off  Off
-20 dB to -10 dB 
 Green  Off
-10 dB to +0 dB
 Green   Green
+0 dB to +10 dB
 Red  Green
Greater than +10 dB
 Red  Red
•  Set the frequency to match the receiver.
•  Turn the power off and then back on while holding 
the power button in and waiting for the counter to 
reach 3.
Recorder Operating 
Instructions
•  Install battery(s)
•  Insert microSDHC memory card
•  Turn power on
•  Format memory card
•  Connect microphone and place it in the position 
where it will be used.
•  Have the user talk or sing at the same level that 
will be used in the production, and adjust the 
input gain so that the -20 LED blinks red on 
louder peaks.
Input...
Gain
Rolloff
Phase
-40
-20
+0
Gain
22
Use the UP and DOWN 
arrow buttons to adjust 
the gain until the -20 
LED blinks red on 
louder peaks
Signal Level -20 LED -10 LED
Less than -20 dB
 Off  Off
-20 dB to -10 dB 
 Green  Off
-10 dB to +0 dB
 Green   Green
+0 dB to +10 dB
 Red  Green
Greater than +10 dB
 Red  Red










