CLA-40 - Audio Amplifier GEEMARC - Free user manual and instructions
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| Product Type | Audio amplifier for the hearing impaired |
| Brand | GEEMARC |
| Model | CLA-40 |
| Power supply | 9V PP3 battery (not included) |
| Maximum gain | 30 dB (volume) + 10 dB extra (amplification button) |
| Tone control | 5 positions, bass/treble adjustment in 5 dB steps |
| Additional amplification button | +10 dB, cuts microphone to avoid whistling (CLA-40 only) |
| Battery indicator | LED lights up when in use, goes off when battery is low |
| Telephone compatibility | Standard telephones without amplification or tone adjustment, without keys on the handset |
| Installation | Wall mounting possible (template provided) |
| Warranty | 1 year, parts and labor |
| After-sales service | Phone: 0328587599, website: www.geemarc.com |
| Standards | EN60950 (TNT-3), RTTE directive |
| Recycling | WEEE directive - do not dispose of with household waste |
| Accessories included | Telephone connection cord, wall mounting template |
| Maintenance | Replace the 9V battery when the LED is dim; disconnect the device before replacement |
Frequently Asked Questions - CLA-40 GEEMARC
How to install the CLA-40 amplifier on my phone?
Disconnect the handset from the base. Connect the small cord provided between the base and the socket (1) on the back of the CLA-40. Connect the handset to the socket (2) on the front. If the LED does not light up, check the battery.
What to do if I don't hear the dial tone after installation?
Use the rotary switch located under the device. Turn it position by position until you get a dial tone. The factory setting often works, but adaptation may require a different setting.
How to adjust the volume and tone?
The volume is adjusted with the VOLUME slider (gain from 0 to 30 dB). The tone with the TONE switch with 5 positions (bass/treble adjustment in 5 dB steps). Adjust according to your comfort.
What is the rotary switch under the device for?
It adapts the CLA-40 wiring to your phone. If you have no dial tone or the microphone does not work, change the position until you get correct operation.
How to replace the battery?
Disconnect the amplifier from the phone. Open the battery compartment by pressing the plastic tab. Replace the 9V PP3 battery respecting polarity. Close the cover.
What to do if the amplifier whistles?
Whistling is normal when you hold the amplification button (because the mic is cut). If whistling persists in normal use, reduce the volume or tone, or check the connections.
Can I use the amplifier with a phone that has keys on the handset?
No, the CLA-40 is only compatible with standard telephones without dial keys on the handset. Use with a handset with keys can damage the device.
What is the warranty period?
The warranty is 1 year parts and labor, from the date of purchase. Damage due to lightning, surges or shocks is not covered.
How to recycle the device at the end of its life?
Do not discard the device with household waste. Take it to a WEEE collection point or return it to your retailer when purchasing a new product.
What to do if the amplifier still does not work after checking?
Disconnect the amplifier and reconnect the handset directly to the base. If the problem disappears, the amplifier may be defective or incompatible. Contact after-sales service at 0328587599.
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