Smith Corona M18 User manual

M18 Amplifier User Guide
Thank you for purchasing the M18 amplifier. The amplifier has been designed to give you
greater flexibility and control of your telephone headset. We have included this user guide for
your convenience so you may quickly enjoy the many features of your amplifier.
INSTALLATION
Installing the batteries or AC power adapter
•Remove the battery cover on the side of the amplifier
•Install 2 “AA” alkaline batteries and replace the cover
•Press the mute button to confirm if the batteries are fitted correctly
•Simply plug in the external power supply to use the amplifier without batteries
•NOTE: Do not use batteries and a power supply together
CONNECTION TO YOUR TELEPHONE AND HEADSET
•Unplug your telephone handset cord from the telephone base and plug it into the
handset port (pictured) on the back of the amplifier NOTE: If your phone has a headset
port and you plug your amplifier into the port, there may not be a need to unplug the
handset or remove it from the cradle. See your sales representative for information on
headset ready phones
•Connect the short curly cord provided on the back of the amplifier to the handset jack
of your phone
•Plug the headset into the headset jack in the front of the amplifier

TESTING BEFORE USE
Check the telephone
•While wearing the headset, lift the handset from its cradle and position it off-hook
and press a line button 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 dial tone. If the transmission voice can not be heard or is very low,
slide the microphone selection switch to “C”
•If your amplifier is still not working properly, 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 it is increased to a proper level.
If there is a listening tone adjust both the listening and the transmission volume
controllers to the low volume side at the same time.
If there is a high pitched feedback when the volume is set to the normal usage
levels, adjust the distance of the headset boom between the microphone cap and
your mouth. The correct distance is 2.5 cm from your mouth
NOTE: Adjust the compatible switch on the front of the amp to the left if you have
a standard Smith Corona or Jabra wired headset. If you have a Plantronics
headset the switch should be to the right.
OPERATION OF YOUR AMPLIFIER
Receiving calls from your headset
•Set the headset/handset button to the headset position. When the phone rings lift the
handset from the cradle and position it on your desk 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 no hang up the handset – place it off hook.
Making calls using the headset
•Set the headsets/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 and depress the handset/headset button to shut off the
amplifier.
Handset use
•To use the telephone normally set the headset/handset button to the handset
position.
TROUBLESHOOTING
Callers can’t hear me?
•Check all cords
•Check the headset/handset button. Push the button up and down
•Check that your handset may need to be removed from the telephone

The callers voice is low or distorted
•Adjust the listening volume control on the amplifier
•Replace 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. Here the microphone will pick up the sound waves
from your speech and not the air moving from your nose and mouth
•Adjust the transmission volume controller
Callers say I sound unclear or too far away
•Adjust the position of the microphone approximately 2.5cm from the corner of your
mouth
My voice echoes or I sound like I am in a tunnel
•Turn the transmission volume to the left side to lower the volume
Revised 5-16