MR250 Plus
User Guide
Socket for hands-
free kit (headset)*
TRANSMITTING
indicator light
TALK button
Press and hold
while you’re
transmitting.
Microphone
MENU button
Press to change
channels and to
switch between
modes.
ON/OFF button
CALL button
Press to send Ring
tone to other
handsets.
Display (see below)
ENTER button
Press to switch the
backlight ON and OFF.
Press and hold to lock
and unlock the handset
buttons.
Press to confirm
settings.
MONITOR button
Press and hold to
check for signals on the
current channel.
UP and DOWN
buttons
Press to change the
speaker volume.
Press after the MENU
button to change
channels.
*Hands-free kit not supplied as standard.
What’s on the display
Channel number (1 to 8)
Battery charge level - when this shows (low),
put the handset back on charge.
DW
Dual Watch - shown when you’re monitoring two
channels at once.
Shown when the buttons are locked.
BUSY
Shown when you’re receiving a signal.
SCAN
Shown when the handset is scanning all channels.
VOX
Shown when the handset is in VOX (voice-activated)
mode.
Volume level.
Using the PMR,
continued
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
MENU
button TWICE.
SCAN flashes on the display.
2
Press the or button to start or stop
scanning.
When the handset detects an active channel, it
will pause on that channel for a few seconds.
3
Press:
the
ENTER
button to set this as the current
channel;
OR
the
TALK
button to transmit on this
channel.
Monitoring two channels at once (Dual Watch)
1
Press
the
MENU
button THREE 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 selected channels. If the
handset detects a signal on either channel, it
will halt and receive it. Dual Watch restarts
when the signal disappears.
3
OR press the
MONI
button to monitor for
weak signals (for 15 seconds) on the channel
currently shown in the display.
4
Press
the
ENTER
or
TALK
button to set and
confirm this as the current channel.
Locking the buttons
When the buttons are 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.
4 Using the seconds counter
The MR250 seconds counter (stopwatch) can count up to
99 seconds.
1
Press
the
MENU
button FIVE times.
00 flashes on the display.
2
To start the counter, press the button.
The counter starts running. If it reaches 99 it
goes back to 00 and starts again.
3
To pause the counter, press the button.
To restart the counter press the button
again;
4
OR, to reset the counter to 00, press the
ENTER
button while the display is flashing.
When you’ve finished . . .
5
Press
the
MENU
button once to return to
normal operation.
If the handset detects a signal on the current
channel while the seconds counter is running,
it will automatically switch to normal operation
and receive the transmission.
5 Cleaning and care
To clean your MR250, use a soft cloth dampened with
water.
Do not use cleaners or solvents
, which may cause
damage not covered by the guarantee.
6 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
Declaration of conformity
The Binatone MR250 conforms with the following standards:
EN 300296
EN 60065
EN 301489
7 Troubleshooting
Problem
Possible cause - solution
No power
Batteries are low or not fitted correctly –
check, and recharge batteries if necessary.
Handset is not switched on - check.
Weak reception\
no reception\
‘noisy’ reception
Batteries are low or not fitted correctly.
Out of range.
Confirm handsets are tuned to the same
channel.
Volume level may be set too low. See
Getting Started Section for more
information on adjusting the volume control.
Local conditions are impairing reception -
move to a different location, away from
obstructions.
Other user may not be transmitting.
Other user is too close.
There’s interference from other users on
the same channel. See section on using
the Personal Mobile Radio for more
information on changing channels.
Cannot change
channels
Handset may have been locked.
Batteries are low or not fitted correctly.
In VOX mode, the
handset transmits
all the time
Background noise may be too high
VOX sensitivity may be too high. See
section on using the Personal Mobile Radio
for more information on VOX mode.
In VOX mode, the
handset doesn’t
transmit
VOX sensitivity may be too low.
The dual charger
doesn’t work
Make sure that the mains power lead is
correctly fitted to the dual charger pod. See
section on Getting ready for use for more
information.
8 Guarantee and service
The Binatone MR250 is fully guaranteed for 12 months
from the date of purchase. The guarantee does not cover
damage by misuse or negligence, or by excessive voltages.
If you think the unit has developed a fault, first check the
troubleshooting guide. If the problem still persists, return
the units complete in the original packaging to the store
where you purchased them. Remember to take your sales
(till) receipt with you.
SCAN
VOX
DW
BUSY
DI (Argos) Ver 1, Feb 06
