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Reconnecting a Previously Paired Headset and Radio Adapter/Cellular Phone
Once the MobilitySound BT Muff Headset and Bluetooth radio adapter and/or cellular telephone have
been successfully paired together, both devices will remember that connection. The Headset and
radio adapter/phone will attempt to reestablish their link whenever they are both powered on and in
within range of each other. Re-establishing this connection can take 10-60 seconds.
Multi-Pairing Operation
If you wish to use the multi-pairing feature to connect the Headset to both a MobilitySound BT Bluetooth
radio adapter and a cellular phone, you must first separately pair both the Headset with the radio
adapter and the Headset with the phone using the procedures shown above.
Once the two devices have been paired individually to the Headset, simply power the both the Headset
and two-way radio/Bluetooth radio adapter on, and then enable the Bluetooth feature on the phone.
Within a few seconds, all three devices should connect to each other, enabling operation.
NOTE:
When you are on a phone call, signals received by the two-way radio will not be heard.
Additionally, if you press the PTT button on the PRYMBLU headset while you are on a phone call, the
two-way radio will transmit, however no transmit audio will be sent over the air, since microphone audio
is being routed to the cellular phone.
TESTING AND USING THE MobilitySound BT MUFF HEADSET
Once your Headset and MobilitySound BT radio adapter and/or cellular phone have been paired
together:
Received signals will be heard through the speakers in the MobilitySound BT Muff Headset. The
volume of received calls can be adjusted using the Volume Up and Volume Down buttons on
the Headset or the volume control on the two-way radio or cellular phone.
The operator’s voice is picked-up by the boom microphone in the MobilitySound BT
Muff Headset.. Push-to-Talk can be activated one of several different ways:
• By pressing and holding the PTT button on the MobilitySound BT Muff Headset.
• By pressing and holding the Talk/Multifunction button on the MobilitySound BT Adapter.
• Using an optional wired PTT that is plugged into the MobilitySound BT Adapter.
• Using an optional MobilitySound BT Wireless Bluetooth PTT (model BT-PTT2, sold
separately). Note that if you are using a MobilitySound BT BT-PTT2, you will first need to pair
the radio adapter with the PTT using the instructions located in the MobilitySound BT PTT
User’s Guide.
Telephone functions are provided by using the Headset’s Phone Button.
You can also activate your phone’s voice dialing feature by pressing and holding the Phone Button on
the side of the Headset for three seconds. (This function works only when the microphone is NOT also
connected to a two-way radio.)
When the Headset is paired to a MP3 music player or to a cellular phone only, the following buttons are
remapped for playing music.
Button Press
Function
Phone Button
Play/Pause Music
Volume Up
Adjust music volume up
Volume Down
Adjust music volume down
Double-press Volume Up
Skip to next track
Double-press Volume Down
Skip to previous track
STATUS LED MESSAGES
The meanings of the various status LED messages shown by the MobilitySound
BT Muff Headset are shown on the following table:
Call State
Button Press
Function
Incoming call
Press Phone Button once
Answer call
Incoming call
Press and hold Phone Button for 5 seconds
Reject call
On a call
Press Phone Button once
Hang up call
No call
Double press Phone Button
Redial last number
Continued on next page
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6
SPECIFICATIONS
LED INDICATION
MESSAGE MEANING
No indication
Device is off
Blue-Red-Blue-Red continuous
Pairing mode
Two short blue flashes
Device turned on
Three red flashes, then off
Device turned off
One blue flash every 2 seconds
Not paired or link lost
One blue flash every 6 seconds
Normal (paired) operation
Continuous red when PTT pressed
PTT operation
One red flash every 6 seconds
Low battery
Continuous red (when connected to charger)
Charging
No indication (when connected to charger)
Charging is finished
Dimensions:
240mm X 230mm X 160mm (SPM-900-EMB)
Weight:
410 grams (SPM-900-EMB)
Bluetooth Version:
3.0
Bluetooth Profiles:
HSP, HFP, A2DP, AVRCP
Bluetooth Power Class:
Class 2
Sensitivity:
-90 dB
Range (Typical):
10 meters (30 feet)
Built-in Battery:
3.7V, 330mAH Lithium-Ion
Standby Current Draw:
6 mA
Standby Time:
50 hours (max)
Operating Time:
10 hours (max)
Operating Temperature Range:
-15° C to + 50° C
