User manual

4
PRODUCT OVERVIEW
Upper Panel
SMA antenna Connector A and B
MPR30-IEM is supplied with a couple of antennas. According to the working band, different
antenna models can be supply. All the models have
black cap and a black label with code in white colour.
For more details see the section Accessories and Parts
Headphone Output
The audio headphone output with 3.5 mm stereo jack socket lockable (TRS).
Audio level can be adjusted with the Volume control knob and the Audio settings> Pwr. Limit
menu.
Maximum output power: 2x150mW @ 32Ω, 2x200mW@16Ω
Pin Assignment: Tip = left (hot), Ring = right (hot), Sleeve = Gnd
On/Off/Volume control
The control knob in the upper panel allows:
 To switch the receiver ON: turn the control knob volume control clockwise until it clicks
 To switch the receiver OFF: turn the control knob volume control counter clockwise until it
clicks
 To adjust the volume: turn the control knob volume control until the volume set has the
desired level.
 (from firmware version v1.3) To disable the lock volume: turn off and turn on the receiver
within 1 second.
NOTE: turn off and turn on the receiver
 within 1 secondMPR30 restarts without the initialization phase
 after 1 second MPR30 restarts with complete initialization
SMA connector Antenna B
SMA connector Antenna A
On/Off/Volume
control
Headphone Output
Antenna Code label