Etross ETS-6688 User manual

3G Fixed Wireless Phone
ETS-6688
User Manual
Version 1.0 2017-12-12

3G FWP ETS-6688 User Manual
2
1. Overview
Congratulations on your purchase of the 3G Fixed Wireless Phone ETS-6688 (Hereinafter referred
to as Phone). The Phone has been designed to operate with the latest wireless communication
technology which has many advanced features and provides an excellent voice quality.
The Phone has advanced features as follows:
Band:3G 850/1900Mhz or 900/2100Mhz optional
2G Quad band frequency: 850/900/1800/1900MHz
Dot-matrix LCD with back light
LCD: 2.39’’ TFT, 240X320
Multi Languages: English, Russian, Spanish, Portuguese, French, andArabic etc
FM radio
SMS, phonebook
Baby call (optional)
Speed dial
Caller ID
Memory store 10 incoming, 10 outgoing and 10 missed calls
Different chord ringers for incoming call and SMS
Hands free, redial, call divert, call waiting, call barred.
Ringer volume adjustable
Calendar, alarm clock, calculator
Rechargeable backup battery, long standby
TNC antenna or integrated antenna optional
Dual SIM or single SIM selectable

3G FWP ETS-6688 User Manual
3
2. Appearance
3 Key board Introduction
1) 【Menu】In idle state, press this button to select item or enter into submenu.
2) 【SMS】： In idle state, press this button to enter into SMS submenu
3) 【BOOK/BACK】： In idle state, press this button to enter into phone book, press ”BACK”to
return to upper Menu
4) 【】:In idle state, press this key to be into inbox.
5) 【】： In idle state, press this key to set ring
6) 【▲】： . In idle state, press this key to be into phonebook.
7) 【▼】： In idle state, press this key to be into alarm
8) 【OK】： to confirm your setting
9) 【ON/OFF】：press this button about 3 seconds for power on phone. Press 3 seconds
again, the phone will be power off.

3G FWP ETS-6688 User Manual
4
10) 【Talk】： Outgoing with the dialed phone number immediately. In idle state, pressing this
button will be into “Outgoing Call log”.
11) 【Redial】： Redial the last call phone number.
12) 【H.F.】： Press this button instead of taking up handset.
13) The Number key 1,2,3,4,5,6,7,8,9,0 and *, #
4. Installation
4.1 SIM card installation
Open the battery cover and take away battery, then the SIM slot can be seen. Please insert SIM
card into the SIM slot.
4.2 How to use the phone
4.2.1 Turn On phone
After install SIM card and battery. Press power ON/OFF button 3 seconds, the phone will be
power on, The LCD screen shows operator name, time, signal and capacity of battery. Then you
can make/receive calls.
4.2.2 Turn Off phone
Press button 3 seconds to power off the FWP from the working state.
4.2.3 Make a call
Dial numbers: dial numbers and the numbers will be shown in the screen. If the numbers that
user dialed is wrong, please press “BACK” in order to clear the number.
After finishing inputting number, please press key “TALK”to call out at once. If not press
key “Talk”, it will delay several seconds, then call out automatically.
During call, user can adjust volume by pressing left button or right button.

3G FWP ETS-6688 User Manual
5
4.2.4Answer a call
When there is an incoming call, FWP will ring and the screen will show call ID, You can pick
up the handset or press ”H.F”button to answer the call.
During call, user can adjust volume by pressing left button or right button.
5 Menu function
All menu can be operated in idle state. Press “Menu” be into submenu and press “BACK” to
return to upper level menu.
5.1 Contacts
Phonebook saves numbers which you will easily for future use. When the phone is in idle-state,
please press [menu] or [book] key to inter into phone book.
5.1.1 Details
User can look through the contacts records in phone book by pressing the [▲] or [▼] key. Press
[OK] key to select current phone number. Then you can press [Talk] to call this phone number.
[Contact]--[Details]
5.1.2 New
User can store a new record to phone book, including phone number and name. It can be saved in
phone or SIM card.
[Contact]—[New]
5.1.3 SIM Phonebook
Check record in SIM card.
5.1.4 Me Phonebook
Check record in FWP.
5.1.5 Memory status
Can check saving state about FWP and SIM card.[Contact]-[Others]-[Memory Status]

3G FWP ETS-6688 User Manual
6
5.1.6 Speed dial
Set numbers for one-key speed dial.[Contact]-[Others]-[Speed dial]
5.1.7 Delete
It can delete the record of FWP or SIM card.
5.1.8 Delete Multiple
It can delete all records in FWP or SIM card.
5.2Short Message
5.2.1 Write Message
On selecting “Write message”, user can first edit message contents, then press [OK] and select
“send” to enter the phone number. It can choose only send, only save, send and save, send group,
insert name, insert numbers.
The maximum length is 140 characters for one piece SMS.
Note: Change input method
Press [#] key to switch between different text input method: “ABC” for Uppercase letter input,
“abc” for lowercase letter input and “123” for number input. Also from here you can choose the
input languages.
5.2.2 Inbox
Choose SMS in inbox and press “OK” for reading. User can browse SMS by press up or down
button. SMS can be deleted, reply, forward, edit, call sender and get numbers.
5.2.3 Outbox
Check failed message.

3G FWP ETS-6688 User Manual
7
5.2.4 Draft Box
Edit message in advance and save it in draft box.
5.2.5 Sent box
On selecting “Sent box”, user can see the messages that have been sent. Sent messages are
arranged according to date, and the most recent message is arranged at the top.
When viewing the content of the message, User can do operations: delete, read, copy to phone,
remove to phone, delete all, copy all, remove all and using numbers.
5.2.6 Templates
Users can see some usual use messages save in the phone, then easily use the templates to reply,
and Users can edit the templates for future use.
5.2.7 Voice Mail Server
This function can set: listen to voice message and voice message number.
5.2.8 Broadcast message
This function can set for broadcasting messages.
5.2.9 SMS Setting
Setting includes Service Center, validity Period, Status Report, Reply Path, Storage Medium, and
Storage Status.
5.2.10 Message Capacity
Can check the SMS memory in SIM card and Phone
5.3 Calls Log
5.3.1 Missed Calls
On selecting missed calls, the screen will display the missed calls’ information, including date,

3G FWP ETS-6688 User Manual
8
phone number or name of person (if the number exists in the contact list). Last 10 calls can be
viewed.
5.3.2 Dialed Calls
On selecting dialed call, the screen will display the dialed calls’ information, including date,
duration, time and phone number or name of person (if the number exists in the contact list). Last
10 calls can be viewed.
5.3.3 Received Calls
On selecting received calls, the incoming calls’ information, including date, time, duration and
phone number or name of person (if the number exists in the contact list) of incoming call, shall
be displayed on the screen. Last 10 calls can be viewed.
5.3.4 Delete all
On selecting this, you will delete all the records
5.4 Setting
5.4.1 Call Settings
It can set call divert, call waiting, call barred
5.4.2 Phone Settings
In Phone setting , you can do the following:
1, Time & date
2, Language Setting,
3, Post-dialing delay setting
4, restore factory setting
5.4.3 Display
Display Setting: Setting the contrast of the screen.

3G FWP ETS-6688 User Manual
9
5.4.4 Security
Security Setting: It requires input phone code (password, the default password is 1234). Can set
that checking PIN code, lock phone and lock keypad.
5.4.5 Network type
You can select network at here.
WCDMA preferred
Prefer GSM
GSM
WCDMA
5.4.6 Version
Users can check the HW and SW version of this phone.
5.5 Profiles
5.5.1 Ring Settings
Set caller ringtone and message ringtone
5.5.2Adjust volume
Set call volume, power ringtone volume, caller ringtone volume, message ringtone volume, alarm
ringtone volume,
5.5.3 Ring type
Set call alert ringtone, message alert ringtone, alarm remind ringtone,
5.5.4 Other alert rings
Set key tone, battery low alert, power ringtone.
5.6 FM Radio
Choose this to listen to FM radio

3G FWP ETS-6688 User Manual
10
5.7 Application
5.7.1Alarm
To set alarm clock.
5.7.2 Calendar
To check calendar
5.7.3 Calculator
To use calculator function
5.7.4 USIM
USIM card
Appendix A: Packing List
Name
Quantity (Piece)
Fixed Wireless Phone (3G) 6688
1
Handset
1
Handle line
1
User Manual
1
Li-ion Battery (3.7v 1000mAH)
1
Ac adapter
1
TNC antenna (Optional)
1

3G FWP ETS-6688 User Manual
11
Appendix B: Technical Parameters
Module Chipset
Spreadtrum SC7701B, the main frequency 460.8MHz
SIM
Support 3V & 1.8 V SIM card
Memory
LPDDR2 : 512 Mb / Nandflash : 1 Gb
Max. power consumption
≤2W
FM
Support
LCD
128x64
Working current
Peak current≤2A
Normal working average current ≤500mA
Normal working average current (non business) ≤80mA
Standby current ≤5mA
GSM Band
GPRS/GSM：1900/1800/900/850MHz
WCDMABand
850MHz/1900MHz or 900MHz/2100MHz (optional)
Max. emission power
WCDMA : Power Class 3 (+24dBm +1/-3dBm)
GSM 850MHz/900MHz: Power Class 4 (+33dBm ±2dBm)
GSM 1800MHz/1900MHz: Power Class 1 (+30dBm ±2dBm)
GSM850/900/1800/1900 GPRS EDGE: Class E2
Reception sensitivity
WCDMA:≤-106.7dBm
GSM850/900/1800/1900 : ≤-102dBm
Data rate
GSM CS: UL 9.6kbps/DL 9.6kbps
GPRS: Multi-slot Class 10
WCDMA CS: UL 64kbps/DL 64kbps
WCDMA PS: UL 384kbps/DL 384kbps
GPRS Type
Class 12
3GPPprotocol
R99,R5
RAS dialing
Support
SMS
Support
Network Lock
Support
Upgrade
Support (through USB port)
SIM reader
Support
Working temperature
-10 ~ +50°C
Working Humidity
10%~ 95%
Atmospheric Pressure:
86 ~ 106KPa
Environment Noise
≤60dB（A）