Nady Systems DSM-1 دليل المستخدم

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SERVICE FOR YOUR NADY AUDIO PRODUCT
(U.S.) Should your NADY AUDIO product require service, please contact the Nady Service
Department via telephone at (510) 652-2411, or e-mail at service@nady.com.
(International) For service, please contact the NADY AUDIO distributor in your country through the OWNER’S MANUAL
dealer from whom you purchased this product.
DO NOT ATTEMPT TO SERVICE THIS UNIT
YOURSELF AS IT CAN BE DANGEROUS AND
WILL ALSO VOID THE WARRANTY.
DSM-1
Digital Sound
NADY SYSTEMS, INC. •

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Introduction Specifications Congratulations for purchasing the DSM-1 Digital Sound Level Meter. To ensure that you get the Standard applied ............................................................................ IEC651 type 2, ANSI S1.4 type 2 most from your unit, we recommend that you read and follow the manual carefully before use. Frequency range.......................................................................................................... 31.5Hz~8KHz This unit conforms to the

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(4) Hold the instrument comfortably in your hand or fix on tripod and point the microphone at the Controls suspected noise source. The sound pressure level will be displayed. (5) When MAX (maximum hold) mode is chosen. The instrument captures and holds the maximum noise level for a long period using any of the time weightings and ranges. (6) When HOLD (data hold) mode is chosen.The hold function freezes the reading in the display. Press the HOLD button momentarily to activate or to exit the HOLD

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Controls Battery Replacement (1) WINDSCREEN Battery Loading If you operate at wind speed over 10m/sec, please put protective accessories in front of the Remove the battery cover on the back to install one 9V Battery. microphone. (2) DISPLAY LCD Battery Replacement LCD readout for all information When the battery voltage drops below the operating voltage, the “BAT” icon appears on the LCD (3) POWER ON/OFF BUTTON display. If it appears, the battery should be replaced with a new one. Turn the meter