RCA BR850U User manual


Copyright © 2012 Discount Two-Way Radio Corporation - North American Distributor
1
BR850TM Professional Two-Way Radio Instruction Manual
Congratulations on selecting the BR850TM Intrinsically Safe Radio from
RCA Communications Systems - The most trusted name in radio!
Our new series of professional communications equipment establishes a new benchmark in
premium radio products made to perform awlessly under the most demanding commercial
conditions. Cutting edge design, professional grade materials and components, simple operation
and superior assembly quality: RCA Communications Systems has it all, including our exclusive no-
nonsense, three-year “Warranty Protection Program,” one of the most comprehensive warranties
in the communications industry.
To ensure you achieve maximum performance from your BR850TM radio, please be sure to carefully
read this manual.
MODELS COVERED IN THIS MANUAL:
• BR850TM VHF Two-Way Radio
• BR850TM UHF Two-Way Radio
C
O
M
P
L
I
A
N
T
N
A
R
R
O
W
B
A
N
D
CODED SQUELCH
DIGITAL
TM
Emergency Signaling
MAN DOWN
SecurEncrypt ™
MDC1200
COMPATIBLE
ANSI/UL 913
C
CSA C22.2 No. 157

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BR850TM Professional Two-Way Radio Instruction Manual
2
Safety and General Information.....................4
Intrinsically Safe Radio Info........................6-7
Product Inspection.....................................8-9
RCA BR850TM Overview..........................10-11
LED Indicator..........................................12-14
Battery Information.....................................15
Initial Use..............................................15
Applicable Battery Packs........................15
Caution.................................................15
Battery Tips...........................................15
Prolong Battery Life...............................16
Battery Storage.....................................16
Charging the Battery.............................17
Steps for Setting Up Your Battery Charger...18
Antenna Information...................................19
Assembly and Disassembly...........................19
Attaching/Removing the Battery.......19-20
Attaching/Removing the Antenna..........20
Attaching/Removing the Belt Clip..........21
Attaching the Earpiece/Speaker Mic.......21
Basic Operations..........................................22
Programmable Auxiliary Functions...............22
Advanced Operations..................................23
Call 1/Call 2..........................................23
Emergency............................................23
Lone Worker (optional).........................23
Lone Worker Backup (optional).............24
Man Down (optional)............................24
Man Down Backup (optional)...............24
Monitor/Squelch Off (optional).............25
Squelch Level Check/Selectable Squelch Level
(SQL)...25
Scan (optional).....................................26
Scan Backup (optional).........................26
Scrambler (optional).............................27
Talk Around (optional)..........................28
Output Power Check/Adjust Power Level....28
Whisper (optional)...............................28
CONTENTS:

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BR850TM Professional Two-Way Radio Instruction Manual
Whisper Backup (optional)..................28
Battery Power Indicator.......................28
Rental Timer Indicator.........................29
Channel Annunciation Temporary Enable..29
Channel Annunciation........................29
Auto Contact (optional).....................29
Auto Contact Temporary Delete.........30
Channel Lock (optional).....................30
Time-Out Timer (TOT)(optional).........30
Busy Channel Lockout (optional).......30
Battery Save (optional)......................31
Low Battery Alert..............................31
Safety Check (optional).....................31
CTCSS/CDCSS...................................31
DTMF (optional)................................32
2-Tone /MDC1200/RDC2400TM (optional).32
Signalling Logic.................................32
BOT ID and EOT ID (PTT ID) (optional).33
Care and Cleaning......................................33
CONTENTS continued
Troubleshooting..........................................34
Optional Accessories (Intrinsically Safe)..35-37
Radio Specications.....................................38
Glossary......................................................39
Warranty Statement...............................40-43

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BR850TM Professional Two-Way Radio Instruction Manual
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SAFETY AND GENERAL INFORMATION
Please observe the following general safety
precautions during all phases of operation,
service and repair of this equipment.
»Unauthorized modication of the radio
may result in failure of the Intrinsically Safe
protection.
Note: “Intrinsically Safe” is for equipment
used in areas where explosion risk can exist.
»Unauthorized service or repair is prohibited.
»Do not disassemble any Intrinsically Safe
products.
»The radio must not be opened in a
hazardous area.
»The battery must be changed in a non-
hazardous area.
»Additional or spare batteries must not be
carried into a hazardous area.
»Use only the intrinsically safe battery
(B850LI-IS) specied by RCA. The use of
other batteries is strictly prohibited and
will result in failure of the Intrinsically Safe
protection.
»The battery must be charged in a non-
hazardous area with the designated
charger CH850R1-IS or CH850R6-IS.
»Use only RCA approved accessories.
»Ensure that the radio is not taken into
Zone 0 areas.
»To avoid electromagnetic interference and/
or compatibility conicts, turn off your
radio in any area where posted notices
instruct you to do so.
»Turn off your radio before boarding an
aircraft. Any use of a radio must be in
accordance with airline regulations or
crew instructions.
»Turn off your radio before entering a
blasting area.
»For vehicles with an air bag, do not place a
radio in the area over an air bag or in the
air bag deployment area.

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BR850TM Professional Two-Way Radio Instruction Manual
»Do not use any portable radio that has a
damaged antenna. If a damaged antenna
comes into contact with your skin, a minor
burn can result.
»Do not expose the radio to direct sunlight
over a long time, nor place it close to
heating source.
»When transmitting with a portable radio,
hold the radio in a vertical position with
the microphone 3 to 4 centimeters away
from your lips. Keep antenna at least 2.5
centimeters away from your body when
transmitting.
Please use the Intrinsically Safe BR850TM radio
unit only with RCA dedicated Intrinsically
Safe batteries and accessories in a hazardous
location; otherwise, a dangerously unsafe
condition may result.
Warning:

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BR850TM Professional Two-Way Radio Instruction Manual
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Intrinsically Safe Radio Information
Certication -
Intrinsically Safe
Intrinsically Safe Classication
“Intrinsically Safe” is a re safety rating given
to the equipment by SGS North America Inc.
according to ANSI/UL 913 (U.S.) and CSA C22.2
No. 157 (Canada) certication standards.
When the equipment is given this rating, it is
considered safe to use in certain ammable
or combustible atmospheres. Flammable
atmospheres have been categorized by Class,
Division, and Group as described below:
I.S. Classes I, II, III, Division 1,
Groups CDEFG, T3
Class Material
IGas, Vapor, Liquid
II Dust
III Fiber, Flying
Area Classication:
Division Description
1An area where there is or could be
an explosive atmosphere most of
the time under normal operating
conditions
2An area where an explosive
atmosphere exists only under fault
conditions
ANSI/UL 913
C
CSA C22.2 No. 157

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BR850TM Professional Two-Way Radio Instruction Manual
Group Typical Hazard
AAcetylene
BHydrogen
CEthylene, ethyl ether, cyclopropane
DGasoline, naphtha, butane, propane,
alcohol, acetone, benzol, natural gas
EMetal dust including aluminum, mag-
nesium, and their alloys
FCarbon black, coal or coke dust
GFlour, starch, or grain dust
Classication of Atmospheres:
Class Maximum Surface Temperature
T1 842°F (450°C)
T2 572°F (300°C)
T2A 536 °F (280°C)
T2B 500 °F (260°C)
T2C 446 °F (230°C)
T2D 419 °F (215°C)
T3 392 °F (200°C)
T3A 356 °F (180°C)
T3B 329 °F (165°C)
T3C 320 °F (160°C)
T4 275 °F (135°C)
T4A 248 °F (120°C)
T5 212 °F (100°C)
T6 185 °F (85°C)
Classication of Atmospheres:

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BR850TM Professional Two-Way Radio Instruction Manual
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PRODUCT INSPECTION
Prior to unpacking the BR850TM portable
radio, please inspect the packaging for
signs of damage and report any damage or
missing components immediately to your RCA
Communications Systems Sales and Service
Outlet. Every BR850TM portable radio comes
with the following items:
Item Qty.(PCS)
BR850-IS - Handheld Radio 1
B850LI-IS - Li-Ion Battery (1700 mAh) 1
AN850U - Antenna for UHF Models
AN950V - Antenna for VHF Models 1
BC850 - Belt Clip 1
STR850 - Handy Carry Strap
(prevents dropping the BR850TM) 1
Instruction Manual 1
CH850R1-IS* - Desktop Rapid Charger 1
PS 50R* - Power Supply 1
B850LI-IS
Li-Ion Battery (1700 mAh)
CH850R1-IS
Desktop Rapid Charger
PS 50R
Power Supply
BC850
Belt Clip
STR850
Handy Carry Strap
Antenna
AN850U - UHF models
AN950V - VHF models
BR850-IS
Handheld Radio
* Items come in separate box if ordered.
2
2

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BR850TM Professional Two-Way Radio Instruction Manual
STR850
Handy Carry Strap
Note:
The frequency band of the BR850TM is marked
on the radio label. If it is not visible, identify
the frequency band according to the color
circle on the antenna: red indicates UHF and
green indicates VHF.

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BR850TM Professional Two-Way Radio Instruction Manual
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RCA BR850TM Overview (1) PTT (Push-to-Talk) key
(2) SK1 (Side Key 1) (programmable)
(3) SK2 (Side Key 2) (programmable)
(4) Antenna
(5) Microphone
(6) Speaker
(7) TK (Top Key)
(8) Channel Selector Knob
(9) Radio On-Off/Volume Control Knob
(10) LED Indicator
(11) Accessory Jack
(12) Battery Latch
(13) Belt Clip
(14) Accessory Cover
(15) Battery
(16) Screw
(17) Electrode Charging Piece
BR850
1
2
3
4
5
6
789
10
11
12
13
14
15
16
17

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BR850TM Professional Two-Way Radio Instruction Manual
PTT (Push-to-Talk) Key
Press and hold down the PTT key to transmit,
release it to receive.
SK1 (Side Key 1)
Side Key 1 is the programmable key to which
your dealer can assign long and short press
function. (See Glossary for denitions of long
and short press.)
SK2 (Side Key 2)
Side Key 2 is the programmable key to which
your dealer can assign long and short press
function. (See Glossary for denitions of long
and short press.)
Channel Selector Knob
Turn the knob to select a desired channel.
TK (TopKey)
Programmable function key.
Radio On-Off/Volume Control Knob
Turn the knob clockwise to turn the radio on,
and turn the knob fully counter-clockwise until
it clicks to turn the radio off.
Turn the knob clockwise to increase the
volume, or counter-clockwise to decrease the
volume. WARNING!! Make sure the BR850TM
is at low volume prior to using any earpiece
accessory, and then adjust the volume to a
comfortable level. Failing to do so may cause
hearing damage.
Accessory Cover & Accessory Jack
The jack is used to connect speaker,
microphone, external PTT, earpiece, headset,
programming cable and cloning cable.

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BR850TM Professional Two-Way Radio Instruction Manual
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Wired Clone Source radio: Turn the source radio on while
holding down the PTT and SK2 keys.
Target radio: Rotate the Radio On-Off/Volume
Control knob clockwise to turn the target radio
on.
The LED ashes orange
twice.
Source radio (power on the target radio and
connect the cloning cable, and then press the
PTT key of the source radio to initiate cloning.)
1. The LED solidly glows red
during cloning;
2. The LED goes out when
cloning is nished.
Note: The LED ashes red
when cloning fails.
Target radio 1. The LED solidly glows
green during cloning;
2. The LED goes out when
cloning is nished.
LED Indicator
The following tables explain the functions of the LEDs and beeps.

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BR850TM Professional Two-Way Radio Instruction Manual
Wireless
Clone
Turn on both the source radio and target radio
while holding down the PTT and SK1 keys. Both
radios are required to be on the same channel
for cloning.
The LED ashes orange
once.
Source radio (turn on both the source radio and
target radio while holding down the PTT and
SK1 keys, and then press the PTT key of the
source radio while both radios are on the same
channel to initiate cloning.)
The LED solidly glows red
during cloning.
Target radio 1. The LED solidly glows
green during cloning;
2. The LED ashes green
and the radio sounds the
beep tone, when cloning
is nished.
Note: The LED ashes red
when cloning fails.
LED Indicator (continued)

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BR850TM Professional Two-Way Radio Instruction Manual
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Power On The LED ashes green once.
Low Battery Alert The LED ashes red, and the radio sounds
three beeps every 30 seconds.
Transmitting The LED glows red
Receiving The LED glows green when carrier presents.
Scanning The LED ashes green once every 1 second.
Programming Reading: the LED glows red;
Writing: the LED glows green.
Encoding
(DTMF/PTT ID/2-Tone /MDC1200/RDC2400TM)
1. The LED glows red while transmitting;
2. The LED glows orange when transmission
is over.
Decoding (2-Tone/MDC1200/RDC2400TM) The LED ashes orange after the signalling is
successfully decoded.
Select Power Level 1W: One beep is heard.
2W: Two beeps are heard.
4W/5W: Three beeps are heard.
Function Key Press One beep to enable, two beeps to disable.
LED Indicator (continued)

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BR850TM Professional Two-Way Radio Instruction Manual
BATTERY INFORMATION
Initial Use
New batteries are shipped from the
factory uncharged. Charge a new battery
approximately 12 hours prior to initial use
(applies to Ni-CD, Ni-MH and Li-Ion batteries
charged with slow or rapid rate charger).
NOTE: The Indicator Light will turn GREEN
approximately one hour after battery is
placed in a Rapid Rate Charger; however, it is
strongly recommended the battery charge for
12 hours. This initializes it and allows for the
best performance. Maximum battery capacity
is normally achieved after two or three full
charge / discharge cycles. If battery power
runs low, recharge the battery. Batteries that
are brand new or that have been stored for an
extended period of time (several weeks), may
require more time to fully charge.
Applicable Battery Packs
To reduce the risk of injury, use only batteries
specied by RCA Communications Systems.
Caution:
1. To avoid risk of personal injury, do not
dispose of batteries in a re.
2. Dispose of batteries according to local
recycling regulations. Do not dispose as
household waste.
3. Never attempt to disassemble the battery.
Battery Tips:
1. When charging a battery, keep it at a
temperature between 41°F ~ 104°F (5°C ~
40°C) to ensure a full charge. Temperatures
outside this range signicantly reduce
battery life.
2. Before charging a battery attached to a
radio, turn the radio off to ensure a full
charge. Never leave a radio on while in the

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BR850TM Professional Two-Way Radio Instruction Manual
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charger, as it can damage both the battery
and the radio; the charger is not a radio
stand.
3. Do not cut off the power supply or remove
battery while charging.
4. Never charge a battery that is wet. Dry it
with soft cloth prior charging.
5. The battery will eventually weaken. When
the operating time (talk-time and standby
time) is noticeably shorter than normal,
replace the battery.
6. Charge the Intrinsically Safe battery
B850LI-IS outside the hazardous area
with the designated charger CH850R1-IS.
Unauthorized chargers could damage the
battery.
Tips To Prolong Battery Life:
1. Battery performance greatly decreases at
temperatures below -4°F (-20°C).Having
a spare battery is always necessary in
extremely cold environments. A cold
battery may work again when it returns to
room temperature,so keep it for later use.
2. Dust on the battery contact may cause the
battery not to work or charge properly. Use
a clean dry cloth to wipe it before attaching
the battery to the radio.
3. Batteries with damaged contacts can be
extremely dangerous. Any battery with
damage to one or more contacts should be
replaced immediately and not used under
any circumstances.
Battery Storage
1. Fully charge a battery before storing it for
an extended period of time to avoid battery
damage due to over-discharge.
2. Recharge a battery after three months
storage to avoid reduced battery capacity
due to over-discharge.
3. When storing a battery, keep it in a dry

Copyright © 2012 Discount Two-Way Radio Corporation - North American Distributor
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BR850TM Professional Two-Way Radio Instruction Manual
place at room temperature.
Charging the Battery
1. When the battery level is very low, recharge
it. It is never recommended to completely
drain the battery, which may cause your
battery to malfunction and no longer
accept a charge.
2. Use only chargers specied by RCA
Communications Systems. When the
charger’s LED illuminates red, it is an
indication that the battery is being correctly
charged. When the LED illuminates green,
the battery charge is complete.
Status Charger LED
Standby (no-load)
Red LED slowly
ashes (0.2s on/3s
off )
Battery is charging Red LED solidly glows
Battery is fully
charged
Green LED solidly
glows
Error
Red LED rapidly
ashes (0.2s on/0.2s
off)

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BR850TM Professional Two-Way Radio Instruction Manual
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• After the battery is placed properly, the
LED solidly glows red indicating the battery
is charging, or ashes indicating that
the battery is damaged or the ambient
temperature is over high/low.
Steps for setting up your charger:
1. Plug the power cord into the adapter.
2. Plug the AC connector of the adapter into
the AC outlet socket.
3. Plug the DC connector of the adapter into
the DC socket on the back of the charger.
4. Place the radio with the battery attached,
or the battery alone, in the charger.
5. Make sure the battery is in well contact
with the charging terminals. The charging
process initiates when the red LED lights.
6. The greed LED lights about 3 hours later
indicating the battery is fully charged. Then
remove the radio with the battery attached
or the battery alone from the charger.
Notes:
• It is normal that the charger LED ashes
before inserting battery into the charger.
• Do not change the battery in the charger
until the charger LED is stabilized.

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BR850TM Professional Two-Way Radio Instruction Manual
aluminum chassis are connected completely.
Then push the battery upward until you hear a
“click.” (see Fig. 1)
Step 3 -Hold the battery bottom and push the
battery upward. Align the two screws on the
battery with the screw holes on the radio body,
and then tighten the screws (see Fig. 1).
Fig. 1
ASSEMBLY AND DISASSEMBLY
Attaching the Battery
Step 1 -Insert the battery top into the
aluminum chassis, and make sure the battery
top is positioned correctly. (see gure 1)
Step 2 - Press the battery to make it cling to the
guide rails, and make sure the battery and the
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