intertel Headset Telephone User manual
Inter-Tel Headset Telephone User Guide
INTRODUCTION
Your new headset amplifier is a device that allows you to use your
telephone with a headset. It gives you hands –free, fatigue-free telephone
conversation through a headset.
Please read this manual carefully, so that you can quickly learn the
functions provided.
Features and Overview............................................................................3
Installation................................................................................................5
Step one: Installing Batteries
Step two: Connecting to Your Telephone
How to Test Before Use...........................................................................7
Telephone Set-up
Compatibility Setting Between Telephone and Amplifier
Adjustment of Listening & Transmission Volumes
Adjustment of Dip Switch Settings
Adjustment of Tone Control Switch
Operation..................................................................................................9
Trouble Shooting....................................................................................10
Warranty.................................................................................................11
-- 2 --
-- 3 --
FEATURES DIAGRAM
FEATURES
1) Mute Switch: Press this button to temporarily cut off your microphone
transmission, then depress the button to resume communication with
your caller.
2) Listening Volume Control: You can increase or decrease the volume of
your caller’s voice.
3) Handset/Headset Button: Press it for handset use, depress for
headset use.
4) Battery Test Indicator: Press mute button, if indicator does not light up,
replace all batteries.
5) Tone Control: Press to set tone to more bass or treble sound.
6) External Power Supply Jack: You may use an AC power adapter
(3V DC) instead of batteries.
7) Handset Jack (Handset): Connect your telephone handset to this jack.
8) Telephone Jack (Tel): Connect the supplied short telephone cord between
the handset jack of your telephone and the amplifier.
9) Stereo Jack for Recorder: This jack can be used to connect an optional
recording device for recording conversations.
10) Telephone Compatibility Switch: Compatibility setting between
telephone and amplifier.
-- 4 --
FEATURES continued...
11) Dip Switches: For transmission level and dynamic
microphone telephones.
12) Stereo/Mono Selection Switch
13) Transmission Volume Controller: Adjust the volume of your
microphone with this control. Make a call and ask your caller how
the volume of your voice sounds. Adjust accordingly.
14) Headset Jack: Connect your headset to this jack.
15) Security Cover
16) Battery Cover
-- 5 --
INSTALLATION
Step One: Installing Batteries
We recommend two AA alkaline batteries
for installation. Battery life will vary
depending on use.
1) Remove the battery cover on the side
of the amplifier.
2) Install two AA alkaline batteries and
replace the battery cover.
INSTALLATION continued...
3) Press the Mute button to confirm
if batteries are properly installed.
Indicator will light if unit
is powered.
Note: You may also use an AC power supply
in place of batteries. An optional 3V DC
power supply can be connected to the external
power supply jack.
Step Two: Connecting to Your
Telephone and Headset
1) Unplug your telephone handset cord
from the telephone base and plug it into
the handset jack of ampipher.
2) Connect the supplied telephone curly
cord between the handset jack of
your telephone and telephone jack of
the amplifier.
3) Plug one complete headset to the head-
set jack of the amplifier located on the
front side of the amplifier.
-- 6 --
HOW TO TEST BEFORE USE
Telephone Set-up
1) Compatibility Setting Between
Telephone and Amplifier
Wearing the headset, lift the handset from
its cradle, position it off-hook and listen.
If you can’t hear dial tone at the factory
setting, adjust the compatibility switch
between telephone and amplifier
as follows:
A) Remove the security cover that is
located on the side of the amplifier.
B) Slide the compatibility switch by
clicks until you can hear a clear
dial tone.
C) If amplifier does not work with the
above actions, your handset may be
a dynamic microphone. Place dip
switch No. 2 to off and adjust
compatibility switch again until you
hear a clear dial tone.
-- 7 --
-- 8 --
2) Adjustment of Listening Volume and
Transmission Volume
Place the listening volume control to number
5 on the dial. Set the transmission volume
to the center of the dial. If the unit does not
sound good to you at these settings, make
the following adjustments.
A) If there is a beeping sound, slide the
Transmission volume control to the
right (-) to lower the volume.
Other-wise, adjust the listening volume
to a comfortable level for yourself.
Place a call and ask your caller if your
voice is at a natural volume. Adjust
the transmission volume accordingly.
B) If there is a humming tone, adjust
both Listening and Transmission
volume controls to lower level at the
same time.
C) If there is a high pitched feedback
when the volume controls are set to
normal usage levels, adjust the
distance of the headset boom to one
inch from the corner of your mouth.
3) Adjustment of Dip Switch
If the transmission volume is too loud or too
low after performing all of the above settings,
it may be bad telephone line conditions or low
output of telephone transmission levels.
A) If the Transmit volume is too loud, place
switch no. 1 to “off” to decrease it.
B) If the Transmit volume is too low, please
switch no. 1 to “on” to increase it.
OPERATION
1) Receiving a Call By Headset
Depress the headset/handset button. Lift the handset from its cradle
and place off-hook when a call comes in. The call will be received
through the headset.
2) Making a Call By Headset
Wearing a headset, depress the headset/handset button, lift the handset
from its cradle and place it off-hook. Dial the number after hearing
dial tone. To terminate a call, hang up the telephone handset.
3) Handset Use
Press the headset/handset button, lift the handset, dial after hearing a
dial tone. Remarks: Some phone systems can be programmed to
eliminate the need to lift the handset on every call. Check your
phone manual for details.
-- 9 --
TROUBLESHOOTING
The following information covers common problems and suggests solutions:
Callers Can’t Hear Me and I Can’t Hear My Callers
Check the installation. Check that all cords are properly connected.
Check the Handset/Headset button. Push the button down for handset use
and up for headset operation.Be sure mute button is not depressed.
Callers Voice is Low or Distorted
Adjust the listening volume control on the amplifier.
Adjust the dip switch setting according to instructions.
Replace your batteries. For best results, use good quality alkaline batteries.
Callers Can’t Hear Me, but I Can Hear Them
Be sure the microphone is properly positioned, about one inch from the
corner of your mouth. Check to be sure the mute button is not depressed.
Adjust the transmission volume control.
My Caller Says I Sound Unclear or Too Far Away
Adjust the position of the microphone. The best place for the microphone is
not directly in front of your mouth, but near the corner of it, similar to the
way you position a handset. In this position, you can pick up the sound
waves from your speech, but not the air moving from your mouth and nose.
My Voice Echoes or I Sound Like I’m in a Tunnel
Slide the Transmission Volume Control to the left side for a lower volume.
-- 10 --
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