User s Manual M-18
User s Manual
M-18
Thank you for purchasing your amplifier. The amplifier has been designed to give you
Installation method
greater flexibility and control of your telephone headset.
We have included this User Guide for your convenience so you may quickly enjoy many
Plug the from the HEADASET into HEADSET JACK.
features of your amplifier.
Plug the TELEPHONE LINE CORD into LINE JACK.
Plug the EXTENSION TELEPHONE CORD into EXTENSION TELEPHONE JACK
provided and plug the other side of cord into PHONE JACK.
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If your amplifier is still not working, place Dip switch No.3 to ON
Setting and adjustment
If the listening volume is still too high, place Dip switch No.1 to OFF to decrease it. If the
listening volume is too low, place Dip switch No.1 to ON to increase it.
If the transmission volume is still too high, place Dip switch No.2 to OFF to decrease it.
Checking the telephone
If the transmission volume is too low, place switch No.2 to ON to increase it.
While wearing the headset, lift the handset from its cradle, position it off-hook and listen.
If you can't hear the dial tone at the supplied setting remove the security cover located on
the side of the amplifier and slide the compatibility switch to No.2 until you can hear a
clear
dial tone. If the transmission voice can not be heard or very low, slide
microphone selection switch to C
If your amplifier is still not working property, try the following;
-. If there is a beep sound, turn the transmission volume controller to the left side (-) for low
volume. If the listening/transmission volume is low, turn the transmission volume to the
right (+) and increase the listening volume controller at the same time until they are
increased to the proper level.
-. If there is a listening tone, adjust both listening and transmission volume controllers to
the low volume side at the same time.
-. If there is high pitched feedback when the volume is set to normal usage levels, adjust
the distance of the headset boom between the microphone cap and your mouth. The
correct distance is 2.5cm from your mouth.
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Recording jack
Operation of your amplifier
The amplifier comes standard with an inbuilt recording jack.
Attach a recording device such as a tape recorder and you will be able to record
both sides of a conversation.
Receiving calls from the headset
Set the headset/handset button to the headset position. When the telephone rings lift the
from its cradle and position it to off hook and you can now call on the headset.
You can answer the telephone using the handset and switch to the headset after
answering the telephone with the handset by switching the headset/handset button to the
headset position. Do not hang up the handset - place it off hook
Making calls using the headset
Set the headset/handset button to the headset position. Remove the telephone from its
cradle and place it off hook and dial normally. To end the call hang up the telephone
handset.
Handset use
To use the telephone normally set the headset/handset button to the handset position.
Note : If your handset has a program for headset use there is no need to take your handset
off the receiver. Simply press the buttom to start, end or answer your calls. To check for this
function refer to your handset's instruction manual.
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Callers say I sound unclear or too far away
Troubleshooting
Adjust the position of your microphone to approximately 2.5cm from the corner of your
mouth, level with your chin. Here the microphone will pick up the sound waves from your
speech but not the air moving from your nose and mouth.
Callers can't hear me or I can't hear my callers
Check all cords are properly connected and in the correct jacks.
Check the headset/handset button. Push the button down for handset use and push up
for heaset operation.
My voice echoes or I sound like I am in a tunnel
Turn the transmission volume switch to the left side for a lower volume.
The callers voice is low or distorted
Adjust the listening volume control on the amplifier.
If there is a dip switch on the bottom of your amplifier, set to the correct position.
Refer page 3&4.
Repalce the batteries.
Callers can hear me, but I can't hear them
Be sure the headset microphone is positioned approximately 2.5cm from the corner of
your mouth, level with your chin.
Adjust the transmission volume controller. Refer page 3&4.
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