KEIpa881a(Model1978) 电路图.pdf

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Keithley Instruments, Inc. 28775 Aurora Road Cleveland, Ohio 44139 (440) 248-0400 Model 1978 Rechargeable Battery Pack Charging Information IMPORTANT NOTICE: READ BEFORE POWERING UNIT The Model 1978 in your unit is shipped in a discharged condition. Before using your unit, charge the battery pack as follows: 1. Connect the instrument to line power. 2. Allow the battery pack to charge for 15 hours. PA-881 Rev. A / 6-03 RadioFans.CN 收音机爱 好者资料库