3019 Alvin DeVane Blvd.
Ste. 560
Austin, TX 78741
Phone: (650) 965-8020
CORPORATION
®
TECH SUPPORT: 650-965-8020 ext. 703
Questions or technical issues? Please call:
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LiberatorMAX Headset
Operating Instructions
LiberatorMAX Industrial Wireless Headsets
CSB-990MAX and CSB-992MAX
USERS GUIDE
1) Power-Up
Turn Volume Control clock-wise to turn on headset
1 to 3 audible beeps will indicate level of battery charge when
headset is powered up (1 beep = low, 3 beeps = high)
Headset will be on channel last used
Headset will search for an existing “network” to join, or create
its own network if one isn’t found
LED Status Indicator will start Yellow, then turn Green
Headset will begin sending/receiving audio within 6 seconds
There will be a verbal (spoken) indication of the current channel
Volume Control will adjust received audio volume
As other headsets on same channel are turned on, they will join
the network if on the same channel
2) Mic Mute / Channel Change Button
To mute the headset microphone, press once on the Mic Mute
button on the Right Cup, there will be two audible beeps, press
again to un-mute, there will be two different beeps
To change the current channel, press and hold the Mic Mute
button for 5 seconds, the headset will increment the channel
and give a verbal indication of the new channel number –
continuing to hold down the button will advance the channel
once each second
NOTE: all headsets must be on the same channel to remain
connected as a network (unless the operator is intending to
join another network)
3) Portable Radio Use
A Portable Radio can be attached to the headset with a
suitable Setcom PRAC cable (determine by radio type)
With Portable Radio OFF, attach adaptor to accessory port on
radio, then plug smaller round connector into the jack on the
Left Cup, then turn radio ON
The radio’s volume control will set the received audio volume
in the headset
To transmit over the radio, press/hold the PTT button on the
Left Cup, release it when transmission is completed
(continued on next page)
11/13/18 SBH
LiberatorMAX_Industrial_User_Guide_REV_X8.pdf
