Assessments - 3, GPA: 4
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Facilidade de uso
Optional Power Supplies may be substituted. Model S1460, International AC Adapter/Recharger (110/220V, 50/60Hz). Model S1462, 12 Volt DC adapter (automotive cigarette lighter plug-in). S1465 NiCad Battery Pack. TO INSTALL OR REPLACE BATTERIES Remove all plugs from amplifier. Remove amplifier from lectern. Slip fingernail under battery door on back of amplifier and slide out. Remove battery pack from amplifier. Insert 10 new Alkaline “D” cell batteries, be sure to observe polarity, or replace with S1465 NiCad battery pack. Carefully replace battery pack. Slide battery door back into position. Place amplifier in lectern. Do not mix battery types or attempt to recharge alkaline batteries - equipment damage, safety hazard or fire could result. TO OPERATE: Plug microphone into DYNAMIC Microphone jack. Plug straight end of 12” speaker cable into built in speaker jack and right angle end into left SPEAKER jack on amplifier. Plug straight end of 40’ speaker cable into jack on removable speaker module and right angle end into right SPEAKER jack on amplifier. Turn Amplifier on (switch is located on the front of the amplifier). The red light will go on, showing that power is available. Rotate VOLUME control knob to obtain desired loudness level throughout the coverage area. ON-OFF When switch is in the ON position, the red light will be on. DC IN Connection for optional adapter: • S1460 Universal AC Adapter (110/220V, 50/60Hz) / NiCad Battery Recharger • S1462 12 Volt DC (automotive cigarette lighter) Adapter AUX OUT Connection for 12 to 15V DC accessory VOLUME Rotate clockwise to increase amplification. MICROPHONE INPUTS There are three microphone inputs, which can be used simultaneously: DYNAMIC - for standard dynamic cartridge microphones CONDENSER - for electret or condenser microphones, which require phantom power (supplied from the amplifier) WIRELESS - accepts line-level output from wireless microphone receiver LINE IN L+R (SEPARATE-COMBINED) Combines the separate left and right AUX LINE IN channels. This combined signal will be amplified and appear on both the LEFT and RIGHT channels of the SPEAKER and LINE OUT OUTPUTS. AUXILIARY If you desire to add pre-recorded music or sound effects during your presentation, just plug your CD player, tape player or computer sound card into the LINE IN jack. The LINE IN also has its own VOLUME and TONE control knobs, so that you may adjust the volume and tone to the appropriate level. If using an external wireless receiver, for best sound quality it should be connected to the LINE IN jack. OUTPUT If you desire to tape record your speech or program, (using cable with standard phono plug) connect the LINE OUT on the amplifier to the input on the tape recorder. SPEAKERS Two separately amplified speaker jacks (4-8 ohms). PROBLEM SOLVING HOWLBACK is the howl or screech often heard in sound reinforcement systems. It is caused by sound from the loudspeaker returning to the microphone. Ampli...
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