Settings, Volume Control, Tone Control

SETTINGS

Note: The CLA-30/40 cannot be used with telephones which have a keypad on the handset.

3 - VOLUME CONTROL

You can adjust the volume control level by using the “VOLUME” control slide switch located on the top. Volume can be adjusted from the same level you have with your phone up to 30 dB or more.

4 - TONE CONTROL

You can adjust the tone by using the 5 position “TONE” switch located on the top.The tone can be adjusted by 5 dB step with regard of the 0dB middle point for the bass and treble. Possible settings are -10dB, -5dB, 0dB for the bass and 0dB, -5dB, -10dB for the treble, this can be adjusted at the min and max volume level.

5 - BOOST SWITCH (CLA-40 ONLY)

If you wish you can increase the receiving up to 10 dB more by pressing and holding the Boost switch button. During this operation the microphone is muted to avoid feedback problems. To speak release the button so that the people can hear you.

6 - BATTERY INDICATOR

Each time you use your phone with the amplifier, the battery LED indicator will light to show that the battery is full. If the LED does not light, the battery must be changed.

IMPORTANT: Always disconnect CLA-30/40 from the phone before replacing the battery.