User manual AKG HT 40

[. . . ] Do not expose the equipment to direct sunlight, excessive dust, moisture, rain, mechanical vibrations, or shock. Be sure to dispose of used batteries as required by local waste disposal rules. Never throw batteries into a fire (risk of explosion) or garbage bin. When scrapping the equipment, remove the batteries, separate the case, circuit boards, and cables, and dispose of all components in accordance with local waste disposal rules. [. . . ] Pull the battery compartment lid (4) down to remove it from the transmitter. If you do, the batteries will not be held in place properly and may cause a rattling noise. The transmitter will not function with incorrectly inserted batteries. If the batteries are in good condition, the status LED (2) will extinguish. If the status LED (2) illuminates the batteries will be dead within about 50 minutes. Replace the batteries with new ones as soon as possible. To close the battery compartment, slide the battery compartment lid (4) onto the battery compartment from below to the point that it will click shut. Switch power to the receiver on and check the setting of the VOLUME control: Fully CCW if you connected the receiver to a microphone input. Fully CW if you connected the receiver to a line input. Since the HT 40 handheld transmitter has been designed specifically for the integrated microphone element, there is no need to set gain on the handheld transmitter. Therefore, the handheld transmitter has no level or gain control. Switch power to your sound system or amplifier on. Talk or sing into the microphone and set the levels on your mixer or amplifier referring to the appropriate instruction manual or by ear. Pull the color code clip off the transmitter case. Slide the supplied black clip onto the transmitter to the point that it snaps into place with an audible click. Move the transmitter around the area where you will use the system to check the area for "dead spots", i. , places where the field strength seems to drop and reception deteriorates. If you find any dead spots, try to eliminate them by repositioning the receiver. If this does not help, avoid the dead spots. The RF LED on the receiver going out means no signal is being received or the squelch is active. Switch power to the transmitter ON and/or move closer to the receiver, to the point that the RF LED on the receiver will come back on. The sound of your voice as it is heard over the sound system. [. . . ] In this case, it is often enough to move away from the microphone a little to stop the feedback. Never let more than two persons share a microphone. Ask your backing vocalists never to sing more than 35 degrees off the 18 The microphone channel far enough to create a feedback problem. 1 Surfaces To clean the transmitter case, use a soft cloth moistened with water. [. . . ]