Shenzhen Alacrity Barcode Technology Co. Ltd MJR302877 Benutzerhandbuch

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Sleep Time Setting
Language selection 
(default American English)
Start setting
30 seconds
60 seconds
No scanner sleep mode
2 minutes
American English
French
German
Italian language
Russian
5 minutes
10 minutes
20 minutes
LED lights
Buzzer
Bluetooth scanners and Android phones can not connect how to do?
Check that your phone is android 3.0 or more can be directly connected
Why are not part of the bar code scanner?
Because some not commonly used bar code at the factory default setting is off, you 
can simply open the corresponding bar code settings can be a normal scan, if you do 
not know the appropriate type of bar code, please contact the manufacturer
Why after pairing bar code can not be uploaded to a computer or cell phone?
1. Verify whether the pairing is successful, the pairing is successful Bluetooth
Scanner LED display is blue
2. You have opened the inventory functions (inventory under the bar code does not
automatically upload mode, you need to manually sweep the corresponding bar code 
upload)
3. Change to the normal mode, you can upload one side while scanning
Computer or mobile phone search is not a Bluetooth scanner how to do?
1. Make sure the scanner is turned on Bluetooth
2. Verify that the scanner is Bluetooth Serial Port Profile
3. Verify that Bluetooth mode is to connect the scanner to match HID mode or SPP 
mode
4. When the scanner is in HID Bluetooth pairing mode connection, two blue lights will
flash, Bluetooth scanner is in SPP mode counterpart connector when a blue light is 
blinking and the need to use the test tool in SPP
Bluetooth scanners and mobile phone or computer has been connected, how 
paired with the phone or computer again?
1. Select the paired Bluetooth-enabled computer Bluetooth scanner panel, click on
the "Delete" button
(Or cancel paired Bluetooth devices in the Bluetooth cell phone)
2. Set Bluetooth scanner, the scanner goes into pairing Bluetooth status (there are
two ways)
(1) Open the Bluetooth scanner, press 8 seconds until the buzzer short beep twice 
Bluetooth indicator
(Blue) flashes quickly
(2) Scan the bar code "into pairing mode" indicator (blue) flashes quickly
3. Finally, follow the steps in front of the respective systems can operate
Not automatically connect after re-plug the Bluetooth adapter or Bluetooth 
restart the phone how to do?
To ensure that no case of computer or mobile phone and other Bluetooth devices 
earlier, restart the scanner automatically connect Bluetooth
Why SPP connection switching from mode to mode is not HID device?
Confirm whether the device is connected through the HID mode, such as the 
connection before, ignore the over-connected device name in the Bluetooth device 
search, re-pair connection
How to Change More Scan Settings?
Please contact the manufacturer
FCC Warning Statement
Changes or modifications not expressly approved by the party responsible for 
compliance could void the user’s authority to operate the equipment. This 
equipment has been tested and found to comply with the limits for a Class B 
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed 
to provide reasonable protection against harmful interference in a residential 
installation. This equipment generates uses and can radiate radio frequency 
energy and, if not installed and used in accordance with the instructions, may 
cause harmful interference to radio communications. However, there is no 
guarantee that interference will not occur in a particular installation. If this 
equipment does cause harmful interference to radio or television reception, 
which can be determined by turning the equipment off and on, the user is 
encouraged to try to correct the interference by one or more of the following 
measures:
‐‐
 Reorient or relocate the receiving antenna.
‐‐
 Increase the separation between the equipment and receiver.
‐‐
 Connect the equipment into an outlet on a circuit different from that to 
which the receiver is connected.
‐‐
 Consult the dealer or an experienced radio/TV technician for help.
This device complies with part 15 of the FCC Rules. Operation is subject to the 
following two
conditions: (1) This device may not cause harmful interference, and (2) this 
device must accept any interference received, including interference that may 
cause undesired operation.
common problem
Buzzer mode and description
Blew two seconds:
Bluetooth module initialization error, external EEPROM full
3 sounding voice:
Low battery, the battery voltage is lower than 3.2V
Short beeps 20 times:
External memory initialization error, external EEPROM 
read and write errors
Short beeps 1:
Upload Start upload OK, set the Start, Settings OK
Short beeps twice:
Power-OK, RF transmission OK (gun Bluetooth 
connection is successful)
Short beeps 3 times:
Bluetooth error (Bluetooth connection failed gun)
Short beeps five times:
Setting error, matching error
LED color and description
Green light and quickly extinguished:
Successfully read the bar code, also issued short beeps
Two blue lights flashing together:
Enter the pattern, waiting for a terminal connected to the 
device
A blue light flashes:
Enter the pattern, waiting for a terminal connected to the 
device
A steady blue light:
Successful match and connect the device, while short 
beeps twice
Red light:
State of charge
Flashing red:
Battery connection is bad
Free declaration
 Responsibility for beyond our scope of natural 
disasters(such as: earthquakes, floods, etc.) 
caused by losses,the company does not undertake 
any responsibility.
 In any case, for any loss associated with the use 
of thisproduct and bring (in accordance with the 
instruction manual including loss resulting from 
the use of), such as: loss of profits, goodwill, 
business interruption, or loss/ change the stored 
data, etc. and so any special,incidental, 
consequential or indirect losses caused by
the company does not undertake any responsibility.
Loss due to improper use of non-specified by the
Company's communications hardware or software 
caused, the Company does not assume any 
responsibility.
 For by using the message of the product obtained, 
data,files, or other products and services, the 
company doesnot provide any form of guarantee and 
technical support,and for these messages, data, 
files, or other products and services to users, 
do not assume any responsibility.
 For third-party software used in this product, the
company does not undertake any form of guarantee and
technical support responsibilities.
 The contents of this manual in accordance with the
"status quo" basis. Unless otherwise required by
applicable law, the Company does not otherwise
accuracy of this document, content and reliability 
make any kind, either express or implied warranty