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aircraft may cause danger to the operation of the aircraft and 
disrupt the wireless telephone network. It may also be considered 
illegal. 

Operating Environment 

 

Do not use or charge the device in dusty, damp, and dirty places or 
places with magnetic fields. Otherwise, it may result in a 
malfunction of the circuit. 

 

The device complies with the RF specifications when the device is 
used near your ear or at a distance of 1.5 cm from your body. 
Ensure that the device accessories such as a device case and a 
device holster are not composed of metal components. Keep your 
device 1.5 cm away from your body to meet the requirement earlier 
mentioned. 

 

On a stormy day with thunder, do not use your device when it is 
being charged, to prevent any danger caused by lightning. 

 

When you are on a call, do not touch the antenna. Touching the 
antenna affects the call quality and results in increase in power 
consumption. As a result, the talk time and the standby time are 
reduced. 

 

While using the device, observe the local laws and regulations, 
and respect others' privacy and legal rights. 

 

Keep the ambient temperature between 0°C and 45°C while the 
device is being charged. Keep the ambient temperature between 
-10°C to 55°C for using the device powered by a battery. 

Prevention of Hearing Damage 

Using a headset at high volume can damage your hearing. To reduce 
the risk of damage to hearing, lower the headset volume to a safe and 
comfortable level. 

Safety of Children 

Comply with all precautions with regard to children's safety. Letting the 
child play with your device or its accessories, which may include parts 
that can be detached from the device, may be dangerous, as it may 
present a choking hazard. Ensure that small children are kept away 
from the device and accessories. 

Summary of Contents for F261

Page 1: ...tivated or may be limited by local network operators or network service providers Thus the descriptions herein may not exactly match the product or its accessories you purchase Huawei Technologies Co Ltd reserves the right to change or modify any information or specifications contained in this manual without prior notice or obligation NO WARRANTY THE CONTENTS OF THIS MANUAL ARE PROVIDED AS IS EXCE...

Page 2: ...vigation keys Access the main menu by pressing the OK key in standby mode Access a shortcut menu by pressing the corresponding navigation key in standby mode Adjust the volume by pressing the navigation keys during a call 2 Right function key Select the option displayed in the lower right corner of the screen ...

Page 3: ... dial a phone number by pressing and holding a key in standby mode key Switch between text input methods in editing mode key Display the symbol list in editing mode 5 Call Send key Make or answer a call View the call log in standby mode 6 Left function key Select the option displayed in the lower left corner of the screen Screen Icons Icon Description Icon Description Signal strength Battery level...

Page 4: ...rd is properly aligned with that of the UIM card slot Then check that the UIM card is completely inserted Note Do not frequently remove the UIM card when using the phone Installing the Battery Ensure that the phone is powered off and disconnected from the power adapter When installing the battery ensure that the golden contacts of the battery are in good contact with those in the battery slot Note...

Page 5: ... hold the charging dock with one hand and the phone with the other Ensure that moderate strength is exerted Powering On the Phone To power on the phone press and hold the end key until the screen lights up Note Press and hold the end key to power off the phone Call Functions Making a Call 1 In standby mode press the number keys to enter a phone number 2 Press the call key to dial the number 3 Pres...

Page 6: ...ct Messages Create Message 2 Edit the message 3 Press the OK key and then add a recipient using the following methods Enter the recipient s phone number Add the recipient from the phonebook 4 Press the OK key to send the message Reading a Message The phone stores received messages in the inbox 1 Select Messages Inbox 2 Press the Up or Down navigation key to scroll to a message in the list 3 Press ...

Page 7: ...esired word and displays candidate words 2 Press the Up or Down navigation key to scroll to the desired word 3 Press the Left or Right navigation key to enter the word or press the 0 key to enter the word followed by a space Traditional English Input ABC or abc In ABC or abc text input mode press the number keys to enter letters Press a number key repeatedly until the desired character appears If ...

Page 8: ...cking Key PUK is used to change a blocked PIN If you enter an incorrect PIN a pre defined number of consecutive times your UIM card will be locked and the phone asks you to enter the PUK to unlock it Both the PIN and the PUK are supplied with the SIM card For details contact your service provider FAQs If problems occur during the use of the phone refer to the following sections for a proper soluti...

Page 9: ...at the UIM card is installed properly 2 Place the phone at a location where strong signals can be received Call Volume is Too High or Too Low During a call press navigation keys to adjust the volume Warnings and Precautions This section contains important information pertaining to the operating instructions of your device It also contains information about how to use the device safely Read this in...

Page 10: ...ve potentially explosive atmospheres that are often but not always clearly marked Such locations include areas below the deck on boats chemical transfer or storage facilities and areas where the air contains chemicals or particles such as grain dust or metal powders Ask the manufacturers of vehicles using liquefied petroleum gas such as propane or butane whether this device can be safely used in t...

Page 11: ...on a call do not touch the antenna Touching the antenna affects the call quality and results in increase in power consumption As a result the talk time and the standby time are reduced While using the device observe the local laws and regulations and respect others privacy and legal rights Keep the ambient temperature between 0 C and 45 C while the device is being charged Keep the ambient temperat...

Page 12: ...les of the battery with conductors such as metal materials keys or jewelries Otherwise the battery may be short circuited and may cause injuries and burns on your body Do not disassemble the battery or solder the battery poles Otherwise it may lead to electrolyte leakage overheating fire or explosion If battery electrolyte leaks out ensure that the electrolyte does not touch your skin and eyes Whe...

Page 13: ...with an extreme high or low temperature Otherwise they may not function properly and may lead to a fire or an explosion When the temperature is lower than 0 C performance of the battery is affected Do not place sharp metal objects such as pins near the earpiece The earpiece may attract these objects and hurt you when you are using the device Before you clean or maintain the device power off the de...

Page 14: ...ditions but the actual SAR level of the device when being operated can be well below the value This is because the device is designed to use the minimum power required to reach the network The SAR limit adopted by USA and Canada is 1 6 watts kilogram W kg averaged over one gram of tissue The highest SAR value reported to the FCC and IC for this device type when tested for use at the ear is 0 628 W...

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