USER’S MANUAL
TH-518U
IP Walkie-Talkie
4G LTE
SOS function
Sofeware off-line update
Items in the Package
1
Carefully unpack the radio. We recommend that you identify the items listed in the following table before
discarding the packing material. If any items are missing or have been damaged during shipment, file a claim
with the carrier immediately.
ACCESSORIES
ITEM QUANTITY
ANTENNA 1
CHARGER 1
ADAPTOR 1
Li-Ion BATTERY 1
BELT CLIP 1
USER’S MANUAL 1
Product Overview
2
Product controls
No. Part Name No. Part Name No. Part Name
1 Antenna 7 Battery Contactor 13 Programming/Earphone jack
2 Speaker 8 SIM Card Slot 14 Micro USB charger jack
3 Indicator Light 9
4 Power and Volume Control 10 PTT
5 SOS Key 11
6 Microphone 12
Basic Operation
Side Key 1（PF1）
Side Key 2（PF2）
Side Key 2（PF3）
3
Please check the following two items before using.
a.Please make sure the SIM card has been activated and
N
has started the data service.
O
b.Please make sure the radio has been programmed with
T
the activated platform account and the correct APN
E
information.If not,please contact local dealer for
assistance.
1. Power on
A. Insert the SIM card
B. Pack the battery
C. Turn the volume control clockwise to power on.
2. Power off
Turn the volume control anticlockwise to power off.
Caution：No removing battery directly to power off, otherwise it will lead to the data loss and the walkie-talkie
damages.
3. Transmitting
Press the PTT button to transmit, keep away from microphone 5cm at least.
Exception & Talking Priority:
If there is an advanced user starts to talk when you are transmitting, you will be forced to exit the transmitting
mode.
4. Receiving
The LED indicator lights blue, LCD screen displays the transmitter’s name when it is receiving.
Menu Introduction
4
• Press MENU Key to enter menu
• Press“▲”or“▼” Key to select items
• Press BACK Key to back to the previous menu
• Press MENU Key to confirm selecting
Step 1 Step 2 Function Instruction
Choose Group Choose a group
Choose Friend
Choose User
Auto
Menu
Network Mode
3G Only
Shortcut to Private call (call to an active
user which management platform listed
from all groups)
Shortcut to Private call from the working
group(call to an active user which
management platform listed from the
working group)
Select 3G according network signals
automatically.
Only use 3G network.
Information
Account Relogging
AFTERSALES SERVICE
Warranty Period
Group name Broadcast working group name
User name
Power remain
GPS
Version
5
Broadcast working user name
Broadcast Power remain
Broadcast GPS positioning or positioned
Broadcast software version
Relog account instead of restarting radio
when offline
Main Unit:
(It’s invalid without the seal of seller.)
Battery, Charger and Adapter: half a year from the data the radio is sold.
Free Maintenance
The seller provides free maintenance for the nature breakups in the warranty period.
Paid Maintenance
Under the following conditions, the seller will charge the maintenance fee:
When the maintenance is beyond the warranty period, the seller will charge reasonable maintenance free.
The breakups are caused by nature disasters.
The breakups are cause by customers.(Or their deliberate intentions.)
The breakups are caused by the mishandling or operation unpermitted.
The breakups are caused by using the nonstandard battery packs.
Seller: Ser.No:
Model: Date:
6
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