Binatone Help Line • 01325 304 473 • 9:00 am to 5:00 pm, Mondays to Fridays
MENU button
Press to change channels
and sub-channels, and
to switch between
modes
MR650
User Guide
Socket for hands-
free kit (headset)*
ON/OFF button
Microphone
TALK button
Press and hold while
you’re transmitting
ENTER button
Press to switch the
backlight on and off.
Press and hold to
lock and unlock the
buttons.
Press to confirm
settings
C (Call) button
Press to send
Ring tone to
other handsets
S (Scan) button
Press to scan for
an active channel
MONI (monitor)
button
Press to check for
signals on the current
channel
UP and DOWN buttons
MENU
Press to change the speaker
volume.
Press after the button
to change channels
Indicator light
RED when you’re
transmitting; GREEN
when you’re receiving
Battery charge level — when this shows
(low), recharge the batteries.
Dual Watch — shown when you’re
monitoring two channels at once.
Shown when you’re receiving a signal.
Shown when the buttons are locked.
Shown when the handset is scanning all
channels.
Shown when the handset is in VOX
(voice-activated) mode.
Volume level
SCAN
VOX
DW
DW
BUSY
SCAN
VOX
BUSY
What’s on the display
Channel number (1 to 8)
Sub-channel number (0 to 38)
* A hands-free kit is not supplied
as standard
– under the hinged
cover
Personal Mobile Radio (PMR)
with twin charger
Scanning channels
When the SCAN function is turned on, the handset will
continuously scan through all eight channels until it finds one
on which another user is transmitting.
1 Press the S (Scan) button
SCAN appears on the display, and the channel number
changes continuously. You can press the S (Scan)
button again at any point to stop scanning.
When the handset detects an active channel, it will
pause on that channel. Then …
2 Press EITHER
◗
the ENTER button to set this as the current channel
◗
the TALK button to transmit on this channel
◗
the MONI button to monitor this channel (press
again to continue scanning)
◗
the ▲ or ▼ button to continue scanning
Monitoring two channels at once (Dual Watch)
1 Press the MENU button FOUR times
DW appears on the display, as well as the currently
selected channel.
2 Press the ▲ or ▼ button to select a second channel
The display switches backwards and forwards between
the two channels. Any existing sub-channel setting for
either channel will be retained. If the handset detects a
signal on either channel, it will stop and receive it.
OR, to monitor for weak signals on the channel
currently shown:
3 Press the MONI button (to stop monitoring, press
the MONI button again)
To end Dual Watch mode
4 Press the TALK, CALL or ENTER button
Locking the buttons
With the buttons locked, you can transmit (TALK), receive or
monitor (MONI) the current channel. But you can’t change the
volume (▲▼) or use the MENU button.
To lock the buttons:
◗
Press and hold the ENTER button until appears
on the display
To unlock the buttons:
◗
Press and hold the ENTER button until disappears
from the display
Using a hands-free kit (headset)
You can plug a hands-free kit (not supplied as standard) into
the socket on the top of your MR650 handset. With a hands-
free kit, you may wish to transmit in VOX mode; but if you find
that this doesn’t work very well, you can turn the VOX
sensitivity off and press the TALK button to transmit, as
normal.
If you’d like to buy the optional hands-free kit, phone the
Binatone Help Line on 01325 304 473.
4
Cleaning and care
To clean your MR650, use a soft cloth dampened with water.
Do not use cleaners or solvents, which may cause damage
not covered by the guarantee.
5
Technical specification
Operating frequency 446.00625 to 446.09375 MHz
(eight channels)
Channel spacing 12.5 KHz
Output power 0.5 W
Channel Frequency (MHz) Channel
Frequency (MHz)
1 446.00625 5 446.05625
2 446.01875 6 446.06875
3 446.03125 7 446.08125
4 446.04375 8 446.09375
6
Guarantee and service
7
Troubleshooting
Problem Possible cause solution
No power
■
Batteries are low or not fitted correctly
e check; replace batteries if necessary
■
Handset is not switched on e check
Weak reception/
no reception/
‘noisy’ reception
■
Batteries are low or not fitted correctly
■
Other user is not within range e check
■
Handsets are not tuned to the same channel
e check
■
Noisy reception is more likely when using high
numbered sub-channels
e try using a lower-
numbered sub-channel, agreeing it with the
rest of your group first
■
Volume level is too low e increase the volume
■
e Speak in a normal voice, 5–8 cm
(2–3 inches) away from the microphone
■
Local conditions are impairing reception
e move to a different location, away from
obstructions and as high as possible
■
You’re wearing the handset too close to your
body
e move the handset
■
Other user is not transmitting e check
■
Other user is too close e check
■
There’s interference from other users on the
same channel
e agree to use a different
channel
Cannot change
channels
■
Handset is locked e check
■
Batteries are low or not fitted correctly
In VOX mode,
the handset
transmits all
the time
■
Background noise is high e move to a
quieter place
■
VOX sensitivity is too high e set it to a lower
level
In VOX mode,
the handset
doesn’t transmit
■
VOX sensitivity is too low e set it to a higher
level
■
e Speak in a louder voice, nearer to the
microphone
Cannot charge
the batteries
■
Make sure the mains power lead is firmly
plugged into the charger.
■
Make sure the mains power adapter is plugged
in, and that mains power is switched on at the
socket.
■
Make sure the handset is correctly in place in
the charging cradle, with its battery compart
-
ment cover locked shut.
■
Use only battery pack, as supplied with
the unit.
The Binatone MR650 is guaranteed for 12 months
from the date of purchase. The Guarantee does not
cover damage by misuse or negligence, or by excessive
voltages — for example, faults on the telephone line, or
lightning.
If you think your MR650 has developed a fault, please
return it to the shop where you bought it.
DI Ver 1, Nov 04
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