User Manual
6
HXD1 Controls
1.  Status Indicator - This LED 
displays the operation mode: 
Amber: Normal Operation 
Flashing Amber: Pairing / Low 
Battery
2.  Power/Pair Switch - Press less 
than 5 seconds to turn the 
unit on or off. Press more 
than 5 seconds to enter pair-
ing mode. 
3.  Battery Cover - Unscrew the 
battery cover and slide down 
to open the HXD1 battery 
compartment.
4.  Battery Holder - Open the 
battery holder by pressing 
the tab and lifting the cover. 
Insert two standard AA (LR6) 
batteries here, being sure to 
observe the plus and minus 
polarity markings shown. 
WARNING: Do not insert the 
batteries backwards; doing so 
can cause severe damage to 
the HXD1 and will void your 
warranty.
5.  Input GAIN Control - This 
control adjusts the transmitter 
input sensitivity.
6.  Screwdriver - Used to adjust 
the input GAIN control.










