2. Be aware there is a slight possibility of electrical shock from lightening. 3. Do not use this product near or in water or when you are wet. If the prod uct comes in contact with any liquid, unplug the tele phone cords immediately. Do not plug the product back in until is has dried completely. 4. Do not use liquid or aerosol sprays for cleaning. 5. If this product does not operate properly, refer to the Warranty information on page 8 of this manual. Do not open this product as you may expose yourself to haz ardous voltages or other risks. Opening this product au to matically voids the warranty. 6. Unplug this product from the telephone and refer servicing to qualified service personnel under the following conditions: a. If liquid has been spilled on the product. b. If the product has been exposed to rain and water. c. If the product does not operate normally by following the op erating in structions. Adjust only those controls that are covered by the op er ating instructing because improper ad justment of other controls may re sult in further damage. d. If the product has been dropped or appears damaged. e. If the product exhibits a distinct change in performance. SAVE THESE INSTRUCTIONS Power Requirements Your IL40 is powered by a 9V bat tery (not included). Install a 9V battery in the battery com partment prior to op eration. NOTE: Insert the battery with the(+) side going between the guardposts in the battery com partment. The (-) side (larger of the two connectors on the battery) must beon the top. In stalling the battery im prop erly will cause damage to the unit and will void all warranties. Please make spe cific note to the in stallation of the battery. Important: Before replacing the battery, make sure to disconnect the IL40 from the tele phone. Installation 1. Unplug the handset cord from your tele phone base. Insert this cord into the jack marked “HAND SET” lo cated at the front of the IL40 Am plifier. 2. Plug one side of the short phone cord (in cluded) into the jack marked “BASE” on the back of the IL40 Am plifier. 3. Plug the other side into the telephone base (See Fig ure 2). 4. Set the Compatibility Switch to the “N” setting. This setting pro vides compatibil ity for most telephones. (See Figure1) 5. Pick up the handset. If you hear a dial tone, your IL40 Am plifier is in stalled properly. If you do not hear a dial tone or the person you are calling cannot hear you, consult the Troubleshooting Guide on page 5. Figure 2 Figure 2 Operation Volume Control You can adjust the volume level by using the Volume Control Slide lo cated on the top of the unit (left control). Pushing the slide up in creases the volume. Tone Control You can adjust the tone by using the Tone Control Switch lo cated on the top of the unit (right control). The Tone Control shapes the sound by increasing the bass or the treble. The Tone Control Switch has five (5) positions. Adjust the Tone Control until you find a position that provides the clearest sound. Boost Switch If you require additional amplification at any point in your con versation, simply press & hold the Boost Button located on the top of the unit. When the Boost Button is pressed, the microphone in the handset is muted. This eliminates background noise and feed back. Release the Boost Button when you want to speak. The other party cannot hear you when the Boost Button is pressed. Simply press & hold the Boost Button again, when you want additional amplification. Battery Indicator The battery indicator light comes on each time you pick up the hand set to indicate the battery level is ok. If the indicator light does not come on, the battery must be replaced. Important: Before replacing the battery, make sure to dis connect the IL40 from the telephone Troubleshooting If after installing your IL40 Amplifier, you do not have a dial tone or the person you called cannot hear you, take the following steps: 1. Check that all connections are plugged in properly 2. Make sure a new battery is installed. 3. Either disconnect the unit or use another phone and check that your phone service is working properly. 4. Change the compatibility setting dial located on the bottom of the unit. (See Figure 1 Page 3) Telephone Compatibility Because not all telephone handsets are wired in a standard way, we have provided a 12-position compatibility switch to accommodate compatibility with a variety of different tele phones. If you do not hear a dial tone or the handset microphone does not work at the “N” setting, you will need to adjust the switch until you find the correct compatibility setting for your phone. To adjust the compatibility switch: 1. Press & hold the “on-hook” switch on your telephone or place the hand set in the cradle. 2. Adjust the switch by turning it one “click” to the next setting. 3. Release the “on-hook” switch or pick up the handset and listen for a dial tone. Continue this process until you hear a dial tone and the mi cro phone is functional. Once you have lo...