Inrico T522A User manual

www.inricosolutions.com
Please read this instruction book carefully before using and keep this with care.
T522A
USER GUIDE
NEW
Professional In High Quality Two Way Radios
INRICO TECHNOLOGIES CO., LTD.
www.inricosolutions.com

This guide is for reference only and the information in this
document is carefully examined, and is believed to be
entirely reliable. However, no responsibility is assumed
for inaccuracies. Furthermore, the provider reserves the
right to make changes to any products herein to improve
readability, function, or design. The provider does not
assume any liability arising out of the applications or use
of any product or circuit described herein; nor does it
cover any license under its patent rights, nor the rights of
others.
Disclaimer

01
Unpacking and Device Checking
Please unbox and take out the device and all accessories
carefully, and ensure all lists have been gotten before
discarding the cardboard box. If any items are lost or
damaged in transit, please contact with our distributors.
Items Number
PoC Radio
Lithium Battery
Power Adaptor
USB Charging Cable
Belt Clip
Belt Clip Mounting Screws
Antenna
Hand Strip
User Manual
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Contents
01
01
02
03
03
03
03
05
06
08
08
08
09
09
10
10
11
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12
12
12
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13
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15
Unboxing and Device Checking
..........................................
Handling Precautions
.............................................................
Radio Regulations
.................................................................
Operating Environment Requirement
.................................
Accessories Requirement
....................................................
Charging Security.
................................................................
Battery Care
..........................................................................
Clean and Maintenance
.......................................................
Product Overview
...................................................................
Accessories Installation
.........................................................
Insert SIM Card
.....................................................................
Attaching the Battery
............................................................
Removing the Battery
...........................................................
Installing Antenna
..................................................................
Attaching/ Removing the Belt Clip
.......................................
Attaching the Hand Strip
.......................................................
Attaching the Headset
..........................................................
Desktop Charger
....................................................................
Basic Functions
......................................................................
Powering Up and Powering Off the Radio
..........................
Volume Adjust
.......................................................................
Headset
..................................................................................
Private Call
............................................................................
Group Switch
.........................................................................
Status Indicators
.....................................................................
Basic Troubleshooting
...........................................................
Specification
.............................................................................

03
Handling Precautions
02
Please read the following precautions carefully. It is
very important for device users to gain general
knowledge and risks.
1.Radio Regulations
The place of civilization provisions that has prohibited
the use of wireless devices, don’t use the device,
otherwise it will lead to interference from other
electronic devices or other hazards.
2.Operating Environment Requirement
●Do not use the device or charging the battery in any
hazardous areas such as gas, dust, steam, explosive
chemical agents, etc.
●Avoid excessive exposure to the extreme dusty,
damp and splashing place, or leave it on unstable
surface.
●Don’t use this device in a thunderstorm in case of
equipment malfunction or shock.
●Avoid prolonged time in the sun or placing it near
heating appliance like electric heaters, microwave,
oven, water heater, fire, candles, etc.
●Please turn off the device while refueling or parking
at the gas station.
3.Accessories Requirement
●Do not disassemble your device. Changes or
modifications made to this device, not expressly
approved by suppliers, could void the user's authority
to operate this equipment.
●Reparation by professional technicians, do not
disassemble by yourself.
●Manufacturer-approved device and accessories only.
4.Charging Security
●Do not overcharge the battery
Please stop charging if it can’t be fully charged within
required time. The battery probably overheats, smokes,
bursts or suddenly be on fire due to abnormal charging
process. When fully charged or not charged, please
disconnect the charger and unplug it from the power
outlet.
●Please use authorized power adaptor
To comply with warranty terms and avoid damages,
charge the battery using a specified charger for best
performance.
●Do not use abnormal battery
If the battery is with odd smelly, discolored, deformed,
etc., please stop charging or disassemble from the
device immediately.
●Do not discard battery in a fire, microwave or high
pressure container.The battery probably overheats,
smokes, bursts or suddenly be on fire.
5.Battery Care
(1)Fully Charge Battery Before Initial Use
●Do preserve battery life by switching off a device and
removing the batteries when it's not being used, and is
not expected to be used for extended periods of time.

04 05
●Do practice proper battery storage by keeping
batteries in a cool, dry place at normal room
temperature.
(2)Properly Store Batteries
●Remove the battery from the device.
●Charge and discharge the battery to 40%-65% if it
will not be used for 10 days or more. This can greatly
extend the battery life.
●The battery should drop below 65% when it is idle
for more than 10 days to prevent it from swelling.
●Store the battery in cool and dry environment that’s
less than 25℃.
(3)Features of Lithium Battery
●Battery capacity will reduce after multiple charging
cycles.
●The battery capacity drops gradually even without
being used.
●Longer charging time is required in shady place.
●Charging and storing Lithium battery in warm
condition will short its lifespan. Please do not leave
them inside the vehicle or near the heater.
●If the battery working time has reduced significantly,
please replace the battery immediately in avoidance of
fluid leakage.
(4)Lithium Battery Charging
●Connect the device with an AC adapter, power on,
the LED turns to red.
●The LED shows green of fully charged.
●The LED is off under high operating temperature,
poor contact, or battery damage.
6.Clean and Maintenance
●Before cleaning and maintaining the device: please
stop running, turn off the device, and disconnect all
connections with other equipment.
●When you do not use the radio, please cover the
accessories connector.
●When cleaning the dust, please use soft brush and
neutral detergent (no strong corrosive chemicals) to
wipe it.
●Please keep the equipment and accessories dry.
●Please do not use the microwave oven or hair dryer
or other heating devices for dry them.

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7
2
3
4
5
06 07
Problems Solutions
PTT Button
SOS Button
Product Overview
1
2
3
4
5
6
7
SOS
Function key 1
PTT
Function key 2
Function key 3
Channel Switch
Power/Volume Knob
Channel Switch Rotate group switch key to select group .
Press PTT with red indicator on and start talk.
Keep 3-4cm away from Microphone while
lalking.
Release PTT key with green indicator on to
receive message.
● Power On:Turn Volume/Power knob
clockwise to power on.
● Power Off:Turn Volume/Power knob
anticlockwiseto poweroff.
Turn Volume/Power knob to adjust volume
after power-on.
Function key1
Function key2
Function key3
Power/Volume
Knob
Long press Function kev 2 to start Private
calls Then press function Key 2 to select the
member.Private call starts by pressing PTT.
Once donepress PTT talk.End privale call by
pressing the key again.
Short press function key 2 to play back the
record of current grou Press function key 2 to
selectrecord. 10records play-backare
available for each group.
Long press SOS to start SOS. No key works
during SOS. SOS lasts for 60 sec.totally.Once
SOS startsthereis SOS voice prompt which
lasts for 4 sec.Then auto group call starts.
Long press function kev 1 forvoice prom ptfor
version No.
Short press function key 1for voice prompl for
remaining time of APK account.
Short press function key 3 for voice prompt
for current group.
Long press function key 3 for voice prompt
for battery consumption.

08 09
Accessories Installation
1.Insert SIM Card or TF Card.
2.Attaching the Battery
Insert the battery properly and press down on the other end of
the battery. Then Pull up the battery cover with a“click”.
3.Removing the battery
To remove battery,turn off the radio and push upward
the lock
catch of battery Then push the battery as arrow
pointedand take off the battery.
4.Installing Antenna
Screw the antenna into the connector on the top of radio
and turn the antenna clockwise to fasten itTurntheanten-
naanticlockwise to remove it.
SIM Card

10 11
6.Attaching the Hand Strip
Take the tail of sling across the oval hole on the back of
handset to install.
5.Attaching/ Removing the Belt Clip
●
Push the belt clip along the“T” slot to the bottom.
●
Buckle the buckle, the back clip overall upward exit can be.
8.Desktop Charger
Charging with desktop charger：The charger must be
placed on a flat surface away from flammable materials.
Aim the radio at the charging port and place it down into
the charging port of the charger base according to the
instruction diagram. The battery does not need to be
removed from the radio when charging. Please make
sure that the radio is safe when charging in the charger
base. Please do not put the radio with battery in the
charger base when it is not charging.
7.Attaching the Headset
Open the cover from the top of device to show the
headset sockets. Headsel will work immediately after
being plugged in.

12 13
Basic Functions
1.Powering Up and Powering Off the Radio
●
Power on: Tum the power /volume knob to power on
when power off. During power-off. there is voice prompt.
After power on, greer indicator is on and then blinks. It is
searching network there is voice prompt after successful
interhel access
●
Power off: Turn the power/volume knob to power off
when powe off, during power-on, Indicator will be off.
4.Private Call
Start private call by long pressing function key 2 Repress
function key 2 to select member and talk by pressing PTT
key.(Voiceprompt for current group member name and its
status of on-line/offline. It will be failed if off-line)Tempo-
rary group will be auto created.
2.Volume Adjust
Increase volume by turning clockwise. And vice versa.
3.Headset
Press PTT key on headset to call and release to cancel call.
There is voice prompt fo lower battery when it is lower than
3.3V.
5.Group Switch
Before switching ON, user needs to revolve the selector to
Channel 1(The defaull session is Channel 1, revolve to
select othe sessions. If the session is not available, there will
be voice prompt: No Channel).
Status Indicators
Working Status
Blinking Red
LED Indicator Remark
Flash 3S/time
Flash 1S/time
Low power less than 15%
Fully charged
Solid Red
Solid Green
Flash 5S/time
The device is transmitting.
The device is charging.
The device is receiving.
The device is powering on.
Blinking Green Standby
Searching network
Solutions
Unable to
Power On
Buttons Not
Working
Problems
The battery maybe incorrectly installed.
- Re-attaching the battery.
The battery maybe out of power.
- Charge or replace the battery.
The battery may be in poor contact due to dirty or damage.
- Clean the electrical contact or replace it.
The buttons may not work temporarily, restart the terminal.
The buttons is broken, contact the dealer or our company.
Basic Troubleshooting
If your device shows following problem during operating,
please check the instruction as below. If problems can’t
be solved, please contact local authorized service.

14 15
Specification
Echo or
Noise
During
Connecting
Unable to
Locate
The speaker may be covered, clean the speaker surface.
Unable to
Detect
SIM Card
The SIM card may be incorrectly installed.
- Remove and re-insert the SIM card.
Poor
Reception
Unable to
Charge
The power adapter plug may be damaged or poor contacting.
- Pull out and re-plug the adapter.
The charging cable connectors may be damaged or poor contact.
- Pull out and re-insert the cable.
Shorter
Standby Time
The battery life becomes shorter in high temperature environment.
- Replace a new qualified battery.
Power consumption increased in areas with weak signal.
- Please temporarily turn off the device.
The signal is weak and the radio can’t receive the signal.
- Move to open and flat area and try again.
Less Duration The duration mostly depends on network service provider settings.
The signal may be weak, make sure the terminal is within network
coverage.
- Restart the radio and it’ll automatically search for better
available network.
The SIM card may be not working due to dirt or damage.
- Clean the electrical contact or replace it.
Localized poor coverage due to basement, blocking buildings or
destructive interference, and geographical distance from obstacles
between your device and the nearest cell tower.
- Please move to somewhere with improved signal.
Can’t Connect
to Network
The SIM card cannot work properly or cannot be used.
- Make sure the SIM card has a balance instead of arrears.
In areas with poor signal, out of network service, or SIM card is
not effective.
- Remove the SIM cards, and reinsert them properly, or change
another one. Move to somewhere with better network signal or
go to the window if you are in the building.
The mobile network not available.
- Select SIM card network, and contact the operator to activate
the cellular network.
Localized network is busy during rush hours.
- Please wait for a while before another attempt or try to avoid
using in rush hours.
Android Go
Frequency
Support
OS
WIFI BT
GPS/GLONASS/BDS(Three choose two)
CPU
Memory
Working Voltage
MT6739（1.5GHz 5 mode L+L/L+W DSDS)
1GB+ 8GB
3.7V
Battery 4800 mAh
Dimension (H*W*D) 145*64*35mm (Without Antenna & Belt clip)
Weight ≈210g
Working Temperature -20°C ~ 60°C
Storage Temperature -40°C ~ 80°C
GSM: B2/B5
WCDMA: B2/B5
FDD: /B2/B4/B5/B7/B12/B13/B66