Huawei F688 User manual

F688
User Guide

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1Getting to know your F688
Front view
Handset Base
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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.

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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.

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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.

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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

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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.

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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.

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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,
register your handset with the base first.
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.

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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.

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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.