Contents (What is included)
Mute / Speaker
In-Use / On-Off
Call Hook
On / Off
Black & Wine
Cover Options
- To change the Speaker Volume, roll the switch towards the ‘plus’ sign to increase the
volume and roll the switch towards the ‘minus’ sign to reduce the volume and press
the switch to activate the microphone mute mode.
- To fit the Headband or Ear
Hook to the microphone,
align the three notches on the
microphone with the spaces
on the headband, push
together and twist to lock in
- To change from Headband
to Ear Hook, twist the
microphone so that it is
roughly at right angles (90°)
to the headband or until you
feel a slight click, then gently
pull to release the microphone
from the headband. To
connect the Ear Hook, align
the three notches and insert
the microphone onto the ear
hook. Twist to lock in place.
Base Unit
Top of Base Unit
Bottom of Base Unit
Side of Base Unit
PC/TEL Selection Button
Microphone Mute Button
Microphone Volume
Adjustment Switch
Compatibility Switch
PC/TEL Selection Button Press to switch between PC and TEL
Microphone Mute Button
Press to mute call
Microphone Volume Switch After installation, adjust the volume level for the
best level of microphone volume.
Compatibility Switch
Select ‘1’ or ‘2’ until a dial tone is heard via the
telephone connection.
AUX Port
Bottom of Base Unit
Telephone Port
DC Jack
USB Port
Handset Port
AUX Port
Connection for Handset LIFTER (optional extra)
Handset Port
Plug Handset cord from the phone to Handset port
Telephone Port
Connect telephone cord to the headset port or handset
port of a telephone / base unit
USB Port
Connect USB cable between PC and base unit.
DC Jack
Connect Power Adapter to DC Jack
Setting up the Base
Desk Phone with HEADSET Port
- Plug the supplied telephone cord into
the TEL port of the BASE UNIT
- Connect the telephone cord to the
HEADSET port of the desk phone
- It will take 3 mins for the Unit and
Headset to auto connect to the
- Follow the fine tuning instructions to
achieve optimum sound
Desk Phone without HEADSET Port
- On the desk phone, unplug the
handset cable from the phone
- Plug the handset cable into the
- Plug the telephone cord into the TEL
port on the BASE UNIT and plug the
other end of the telephone cord into
the HANDSET port on the desk phone
Desk phone with X300 LIFTER
The X300 LIFTER remote handset lifter manually lifts the desk phone handset
to make or answer a call. (Refer to the X300 LIFTER installation guide).
Desk phone with EHS Adapter
EHS Adapter enables an incoming call to be answered or ended by using the
On/Off button on the Headset. (Refer to the EHS Adapter installation guide).
Fine Tuning the Volume
Desk Phone
Bottom of Base Unit
Microphone Arm
1. When your desk phone is in-use on an external call (ie. No dial tone), set the volume
on the desk phone to Max.
2.Adjust the Microphone TX on the base of the X400 unit.
3.Fine tune the listening speaker of the headset using the ‘plus’ and ‘minus’ toggle.
Operating Instructions
- Plug the Power Adapter DC Jack into the back of the Base Unit. (See Note 1)
- Press the Hook On/Off switch to make a call
- Select compatibility switch ‘1’ or ‘2’ position until you can hear the dial tone
- Adjust speaker and microphone volume
- Press the Hook On/Off switch to end a call
Note 1 : Factory default setup : Paired
The pairing process automatically starts when you plug the power adapter into the Base
Unit. (Make sure that headset is placed on the cradle before power is turned on. If the
headset is not placed on the cradle, pairing will be unsuccessful.)
Electronic Hook Switch (optional extra)
The unit enables you to answer and end calls remotely by using its built-in electronic
hook switch (EHS). EHS on this unit is only compatible with certain telephone systems
supporting EHS.
(EHS is only compatible with certain telephone systems. In order to determine which
telephones are compatible with the EHS feature, please refer to EHS guide or contact your
local distributor. Please also refer to your telephone’s user manual for clarification).
LED Indicator
Charging Status
LEDs status
Battery Indicator : ‘Blinking’ 3 sec-ON, 1 sec-OFF
Full Charged
Battery Indicator : ‘ON’
Low Battery
Battery Indicator : ‘Blinking’ 1 sec-ON, 1 sec-OFF
LEDs status
Press Microphone mute
Mute indicator : ‘ON’
Press PC/TEL selection
PC/TEL Indicator - TEL : ‘OFF’
Hook Off
In-use indicator : ‘ON’
Battery Indicator
In-use Indicator
Mute Indicator
PC/TEL Indicator
PC : ‘ON’
Trouble Shooting
1. Can not hear a dial tone.
• Check the PC/TEL button. TEL Mute: PC/TEL indicator – ‘OFF’
• Please check the cable connection between Base unit and Phone.
• Check that the power adapter is plugged in and has power
• Please check the compatibility switch. Adjust compatibility switch until you can hear
the dial tone.
2.Microphone volume (TX) is low / dead.
• Make sure that the microphone (TX) mute function is deactivated.
• Check the position of the boom arm and make sure that the microphone is placed as
close as possible to your mouth (approx. 2 fingers distance).
• Adjust the microphone (TX) volume on the bottom of base unit.
3.Buzzing sound on the headset
• Telephone may not be fully immune to the radio transmission between your headset
and base. To overcome this problem, move the base unit to at least 30 cm/12” away
from the phone.
4.Headset echoes
• Adjust the telephone’s volume. If necessary, adjust your microphone volume on the
headset to a lower setting.
5.EHS doesn’t work with the telephone
• Make sure the telephone is compatible with the wireless headset. Refer to the EHS
6.Headset was working, but it has stopped.
• Headset may need pairing to the base again. Refer to ‘Note 1’ in the ‘Operating
• Headset battery may be dead. Return the headset to the cradle on the base unit for
Your JPL Telecom product has been carefully manufactured and 100% tested using high quality
assured components. It is guaranteed against faulty workmanship and materials for a period of 24
months from the date of purchase. In the unlikely event that a failure should occur, please contact
the JPL Telecom dealer from which you purchased this product or visit www.jpltele.com and follow
our product returns procedure. You will be given a RMA number and instructions on how to return
your headset.
Further help can be found on-line at www.jpltele.com on our FAQs page.
Note: Removing the factory-applied warranty label on the base of the unit will void the warranty.
Specifically exempt from warranty are limited-life consumable components subject to normal wear
and tear, such as microphone windscreens, ear cushions and other accessories. Your statutory
rights under common law are in no way affected by this guarantee. The warranty does not
cover cosmetic damage or damage due to misuse, abuse, negligence, acts of nature, accident,
disassembling or modification of, or to any part of, the product. The warranty does not cover
damage due to improper operation, maintenance or installation, or attempted repair by anyone
other than JPL Telecom. Any unauthorised repairs will void this warranty.
Consequential and incidental damages, including without limitation, loss of property and those
arising from breach of any express or implied warranty, are not the responsibility of JPL Telecom
and to the extent permitted by law, are excluded.
In accordance with its policy of progressive product design, JPL Telecom reserves the right to
change product specifications without prior notice.
* Repair or replacement is at the discretion of the manufacturer.
USA Office: JPL Telecom Holdings LLC
Box 12, Suite 310, 8910 Astronaut Blvd., Cape Canaveral, FL 32920, USA
Mexico Office: JPL Telecom Mexico
Buffon 46-604, Col. Nueva Anzures, Delg. Miguel Hidalgo C.P. 11590
UK Office: JPL Telecom Limited
Unit 1, Church Close Business Park, Church Close, Todber, Sturminster Newton,
Dorset, DT10 1JH England
Registered in England No. 5250754
(NB. For product returns, please follow instructions and returns department address provided on our website.
Returned products received at the registered addresses are likely to be returned to sender).
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