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Rechargeable Handheld Wireless Microphone NH-3900 Parts and functions Cartridge module Battery power LED 3-STEP power switch Menu button Setting button Battery compartment Color cap Charging port Battery installation & indicator When the microphone is switched ON, the If the LED remains illuminated, it means the battery power LED will blink once to denote batteries are weak and require replacement.
Instructions 3-STEP power switch To prevent other user from turning off the power, you may slide this switch to the right to lock the microphone on stand-by or mute status. Slide to the left to unlock. power switch Switch lock POWER ON MUTE POWER OFF...
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NH-3900 Rechargeable Handheld Wireless Microphone Channel setting Use MENU button to go to the CHANNEL|FREQUENCY page. CH :0 0 1 650.000 M H z Press and hold the SET button for 3 seconds, then the upper-left CH will flash to allow changes to be made.
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Instructions Battery type setting Use MENU button to go to the BATTERY TYPE page. A K L N Press and hold SET button for 3 seconds, then the battery icon will flash to allow changes to be made. Press SET button to select either NiMH (rechargeable battery) or AKLN (alkaline battery).
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NH-3900 Rechargeable Handheld Wireless Microphone AF GAIN setting Microphone GAIN L: 01 L: 02 L: 03 L: 04 Sensitivity lowest high highest Dynamic range highest high lowest Noise & feedback lowest high highest Mic cartridge to mouth < 3 cm...
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