User's Manual

(Desk phone with DL-570 LIFTER)
The DL-570 remote handset lifter manually lifts the desk phone handset to
make or answer a call.
- Refer to the DL-570 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
- Plug the Power Adapter cord on the Base unit.(Note 1)
- Press 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 Hook On/Off switch to end a call
Note 1 : Factory default setup : Paired
Pairing process is automatically proceeding when plug the power adapter into the Base
Unit. (Make sure that headset is placed on the cradle and should be powered on before
power is turned on. If the headset is not placed on the cradle, pairing will be
unsuccessful.)
6. Operational Instruction
The unit enables you to answer and end calls remotely by using its built-in electronic
hook switch (EHS). EHS of 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.
1. Cannot hear a dial tone.
☞ Check the TEL/PC button.
TEL Mote: 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
7. Electronic Hook Switch (optional extra)
8. Trouble Shooting