Huawei F688 User manual

F688

User Guide

1Getting to know your F688

Front view

Handset Base

9 10 11 12

131415

1 Navigation 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.

Press the OK key to enable or disable hands-

free mode during a call.

Adjust the volume by pressing the navigation

keys during a call.

2 Left function key

Access the main menu in standby mode.

Select the option displayed in the lower left

corner of the screen.

The figures in this guide are provided for your reference only.

3 Call key

Make or answer a call.

View the dialed calls in standby mode.

4 Number and symbol

keys

Enter numbers, letters, and symbols.

Speed-dial a user-assigned phone number by

pressing and holding 2~9 key in standby mode.

Press # key to switch between text input

methods in editing mode.

Press * key to display the symbol list in editing

mode.

5 Mute key

Press this key to mute or unmute an ongoing call.

6 Intercommunication

key

Press this key to access the list of registered

handsets in standby mode.

7 End key

End or reject a call.

Press and hold this key to power a handset on

or off.

Return to the standby mode.

8 Right function key

Select the option displayed in the lower right

corner of the screen.

9 Charging ports for

handsets

Connect a handset to the ports to charge it.

10 Power key

Press and hold this key to power the base on or

off.

11 Page/Register key

Press this key to call a handset. This function is

useful when you cannot find your handset.

Press and hold this key to register a handset

with the base.

12 Reset key

Press and hold this key in standby mode to

deregister all handsets from the base.

13 Signal indicator

Off: indicates that there is no signal or that the

base is searching for a network or being

initialized.

Steady white: indicates that the signal is strong.

Blinking slowly in white: indicates a Subscriber

Identity Module (SIM) card-related fault, such

as no SIM card inserted, personal identification

number (PIN) or PIN unblocking key (PUK)

unverified, or SIM card unable to work

properly.

14 Battery indicator

Off: indicates that the battery is not installed in

the base or that the battery has sufficient

power without the power adapter.

Steady red: indicates that the battery is being

charged.

Blinking slowly in red: indicates that the battery

power is insufficient and that you need to

charge the battery.

Steady green: indicates that the battery has

been fully charged when connecting the power

adapter.

15 Power indicator

Off: indicates that the base is powered off.

Steady white: indicates that the base is

powered on.

Blinking slowly in white: indicates that the base

is in paging state.

Blinking fast in white: indicates that the base is

registering a handset.

Back and side view

1 Handset battery cover 2 Handset power jack

3 SIM card slot 4 Battery container

5 Battery cord jack 6 Base battery cover

7 Base power jack 8 USB port (only for

maintenance purposes)

2Screen icons

Full reception Full battery

Alarm clock Silent mode

Unread message Handset connected to the

base

Forwarding of all calls

enabled

3Installation

Ensure that F688 is powered off and disconnected from the power adapter.

Installing the SIM card

Ensure that the golden contacts of the SIM card are facing downward and that the

beveled edge of the SIM card is properly aligned with that of the SIM card slot. Then

check that the SIM card is fully inserted.

Installing the battery

Ensure that the golden contacts of the battery mate securely with those in the battery

slot.

Base:

Do not frequently remove the SIM card when using F688.

Handset:

Connecting the power adapter

When you use F688, it is recommended that you connect the power adapter to F688.

When new phones are delivered, the battery power is low. Therefore, charge the

phone for a while and then power on the phone the first time you use it.

If the phone will not be used for a long time, remove the battery from the phone.

If the battery has not been used for a long time or the battery is exhausted,

the screen of F688 may not function when you charge the battery again. This is

normal. After the battery is being charged for a while, you can power on the

phone for use.

The battery supplies power for only a limited period. Ensure that the battery has

been fully charged before putting it in use.

4Powering on

Powering the base on

Press and hold to power the base on.

Powering a handset on

Press and hold until the screen is lit up to power a handset on.

5Connecting a handset to the base

Registering a handset

If F688 is working properly, the handset is already registered with the base. If not,

1. Press and hold on the base until the power indicator blinks fast.

2. On the handset, select Settings > Handset > Register handset.

3. Select the base to be connected.

4. Press to register the handset with the base.

Deregistering a handset

If a handset is malfunctioning or you want to replace it, deregister the handset first.

You cannot use the handset after the handset is deregistered.

The b

ase will be powered on automatically after the power adapter is connected to

it.

Press and hold to power the base off.

Press and hold to power a handset off.



When registering a handset with the base, ensure that the handset is near the base

After the handset is registered, use the handset within a certain distance of the

base. Otherwise, the handset will display a message and disconnect from the base.

You can register a maximum of 5 handsets with the base.

1. On the handset, select Settings > Handset > Deregister handset.

2. Press / to scroll to the handset to be deregistered.

3. Press to deregister the handset from the base.

6Calling

Making a call

1. In standby mode, press the number keys to enter a phone number.

2. Press to dial the number.

3. Press to end the call or cancel the dialing.

Answering or rejecting a call

When there is an incoming call, press to answer the call; press to reject

the call.

Initiating an internal call

You can place free internal calls between handsets registered with the same base.

1. In standby mode, press .

2. Press / to scroll to the handset to be connected.

3. Press to initiate an internal call.

4. Press to cancel or end the call.

Transferring a call

You can transfer an ongoing call that is from the outside line to another handset.

You can also use the following methods to dial the number:

In standby mode, press to view the dialed calls. Find the desired number in

the dialed calls, and then press to dial the number.

Find the desired number in the contacts, and then press to dial the number.

1. During a call, press .

2. Press / to scroll to the handset to which you want to transfer the call.

3. Press to connect to the desired handset.

4. When the handset user answers the call, press , and then select Call transfer

to end the call between the current and desired handset. The call is transferred to

the desired handset.

7Messages

Sending a message

1. Select Messages > Create message.

2. Write the message.

3. Press and then add a recipient using the following methods:

–Enter the recipient's phone number.

–Add the recipient from the contacts.

4. Press to send the message.

Reading a message

1. Select Messages > Inbox.

2. Press / to scroll to a message in the list.

3. Press to open and read the message.

8Text input methods

Input methods functions

The input methods have following basic functions:

In editing mode, press the # key to switch between input methods.

Press to manage the message.

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