Dasan DW-770 User manual

CONTENTS
1 Introduction
2 DW-770 features – headset and base unit
3 DW-770 features – base unit back and bottom
4 Setting up your DW-770 wireless headset
5 Battery Charging
6 Operation
- pairing your Headset and Base Unit
7 Operation
- Checking for compatibility
- Making and ending a call using a telephone with Lifter attached
- Answering a call using a telephone with Lifter attached
8 Operation
- Adjusting the TX(transmit) volume
- Adjusting the RX(receive) volume
- Muting the microphone on the headset
- VoIP with PC
9 Replacing the battery pack
10 Optional accessories

INTRODUCTION
Thank you for purchasing this product
The DW-770 wireless headset has been developed using the latest wireless technology.
With the DW-770 we are confident you will experience a great level of comfort and
freedom compared to using a standard telephone for making and receiving your calls.
READ THE USER GUIDE
The DW-770 wireless headset is very easy to use and set-up, although to get the best
from your new purchase, we recommend you read this User Guide before getting down
to any calls.
UNPACKING
Remove your DW-770 wireless headset from its packaging and ensure that along with
this User Guide you have the correct mains plug fitted to the power supply unit for your
supply and the correct specified accessories.
Retain the packing carton for storage of your unit, and also in the unlikely event that the
unit needs to be returned for service or repair.
IMPORTANT
Ensure that all electrical connections (including extension leads and interconnections
between pieces of equipment) are properly made and in accordance with the relevant
manufacturers instructions.
Do not continued to operate the equipment if your are in any doubt about it working
normally, or if it is damaged in any way.
- switch off, withdraw the mains plug and consult your dealer.
Do not allow electrical equipment to be exposed to rain or moisture.
Never push anything into holes, slots or any other opening as this could result in fatal
electrical shock.
Never guess or take chances with electrical equipment.
Do not open the telephone housing as doing so will void your warranty.
WARNING
Telephone headsets are capable of producing high levels of sound. Prolonged exposure
to high sound levels can cause damage to hearing.

Telephone Cord Cable Tie

Despite the sophistication behind the DW-770, the set-up and operation of the DW-770
is remarkably simple. Please follow these steps in the following pages and refer to the
drawings on the previous pages and you will be up and running with your new wireless
headset in a very short time.
Important : Before first use, please charge the headset fully for up to 5 hours to
maximize your battery operational life.
1Assemble the HEADSET and BATTERY
Attach the battery to the headset by sliding the battery onto the headset.
Note : When the battery is connected the power is automatically turned on.
2Connect the TELEPHONE HANDSET TO THE DW-770
Unplug the handset cord from your telephone base unit and plug it into the DW-
770 HANDSET port located on the back of the DW-770 base unit.
3Connect the TELEPHONE BASE UNIT TO THE DW-770
Use the supplied telephone cord and connect on end to the HANDSET port on
your telephone base unit. The other end should be connected to the
TELEPHONE port located on the back of the DW-770 base unit.
Setting Up your DW-770 Wireless Headset
4Connect the POWER SUPPLY UNIT
Plug the Power Supply Unit to the DC Input Jack on the back of the DW-770
base unit. Then connect the Power Supply Unit to your wall supply.
5Place the headset on the base unit to charge
Important: Before first use, please charge the headset fully for up to 5 hours to
maximize your battery operational life.
!Place the headset on the base unit to charge
Always place the headset on the base unit when not in use to allow your headset
to be charged and ensure the talktime and life of the battery.
Before first use, please charge the headset fully for up to 5 hours to maximize
your battery operational life.
Only use the base unit fitted with the original power supply unit to charge your
headset, or damaged and incorrect operation may occur.
Battery Charging

When charging the LEDs on the front of the base unit will illuminate. The following
are the status and colors expected during the charging process.
Fully Charged GREEN LEDs
Charging REDLEDs
Before operation your headset must be paired with your base unit, this can be confirmed
by the following check :
- Check GREEN status LED on base unit is ON and
- Check GREEN status LED on headset periodically flash twice.
If your base unit LED is constantly flashing GREEN and your headset is flashing
constantly in RED and GREEN then you need to pair your headset with your base unit.
1Pairing your Headset and Base Unit
MakesureyourBaseunitisturnedon.
Press and hold the RX and TX VOLUME buttons on the headset at the same
time until you see the RED and GREEN LEDs on the headset flash rapidly.
Push the pairing button on the base unit in 10 seconds.
When the GREEN LEDs on the headset unit periodically flash twice and the
GREEN LED on the Base unit turns off , the units are paired.
Operation
2Checking for compatibility
As telephone manufactures can vary their configuration, it is necessary to
have compatibility selections on the base unit to ensure that the DW-770 is
compatible with virtually any telephone.
To check and adjust for compatibility between the DW-770 base unit and the
telephone perform the following :
- While wearing the headset – push the ON/OFF button
- If you cannot hear a dial tone with the factory setting, adjust the
COMPATIBILITY switch on the base unit bottom until you hear a clear
dial tone.
- When making a call, if your voice cannot be heard or is very low, adjust
the MICROPHONE SELECTION switch to the “C” position.
3Making and ending call using a telephone with Lifter attached
- While wearing the headset, press the ON/OFF button
- Check the lifter function activates (telephone connection opens)
- You can hear a dial tone
- GREEN LEDs on the headset unit flash periodically flash 3 times (in-use
status) and GREEN LED on the Base unit turns on
- Dial desired number
- To end the call press the ON/OFF button on the headset
- Check the lifter function de-activates (telephone connection closes)
- GREEN LEDs on the headset will now periodically flash twice (standard
paired status) and GREEN LED on the Base unit turns off.

4Answering a call using a telephone with Lifter attached
- The telephone rings
- While wearing the headset, press the ON/OFF button
- The lifter function activates (telephone connection opens)
- To end the call press the ON/OFF button on the headset
- The lifter function will de-activate (telephone connection closes)
5Adjusting the TX (transmit) volume
The TX (transmit) volume can be adjusted using the volume control located
on the bottom of the DW-770 base unit.
Adjust the volume by turning the control left or right to increase or decrease
the level. The volume should be set to personal preference.
To adjust follow these steps:
- Make a telephone call and ask the person you are calling for their
assistance.
- Adjust the volume as you talk by turning the control left or right.
- Ask the person you are calling to tell you when the volume of your voice
is acceptable.
6Adjusting the RX (receive) volume
To adjust follow these steps:
- Make a telephone call and ask the person you are calling for their
assistance.
- Adjust the RX (receive) volume by pressing the + or – (up/down) buttons
on the headset while your caller is speaking.
- If the RX(receive) volume is still low, then set the MICROPHONE
SELECTION switch located on the bottom of the base unit to “C”
7Muting the microphone on the headset
- To MUTE the microphone on the headset press the MUTE button located
on the headset.
- To turn the MUTE off, press the MUTE button again. Normal operation
will now resume.
8VoIP with PC
- Connect Y-cable or USB-type cable (option) between PC and PC port of
Base.
- To make call or receive through, push the PC/TEL button first and then
press the On/Off button.
1Removing the battery from the headset
- Ensure the headset is turned off
- Push the button on the inside face of the headset
- Slide battery off the headset
2Extra battery pack option
An extra battery pack can be purchased, to increase your talk time to 14 to 16
hours between charges. The extra battery is charged by placing the battery
onto the battery charging point on the base unit.
Replacing the Battery Pack

When the battery is placed onto the battery charging point, an indicator LED
will illuminate in RED. When fully charged this will change to GREEN.
1DL-570L Handset Lifter
This handset lifter has been exclusively designed for use with the DW-770
wireless headset, allowing you to answer and end calls with the touch of a
button when away from your desk.
Features:
- Remote one-touch answer/end of calls
- Automatically lifts and replaces handset
- Compatible with most standard telephones
- Easy installation
2Extra Battery Pack
A second battery pack is available which can be charged on its own charging
points on the DW-770 wireless headset base unit. Adding a second battery
pack will increase your talktime to 14 to 16 hours.
Optional Accessories
3Other Accessories
PC Cord (Y-Cable) PC Cord(USB type)
* After finishing the connection, please tie all cables with a cable-tie.