FLUKE 8845____mveng0000 电路图.pdf

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1、 8845A & 8846A SOMV 1 of 2 11/21/2006 Instrument Security Procedures Models: 8845A & 8846A Product Name: Digital Multimeters Instrument Description: 6.5 digit precision multimeters Memory Description: Volatile Memory Type Size Function SDRAM 128 MB Out-guard measurement data, user strings, temporary

2、 configuration information, and Ethernet Host name. SRAM 4 MB In-guard Measurement data and configuration information. Non-volatile Memory Type Size Function Flash 128 MB Application program storage, user string, user data, user remote interface settings. Flash 4 MB FPGA hardware setup, application

3、program storage, calibration constants. Memory Cleaning Instructions: To clear both volatile memory elements: 1. Press M. 2. Select the MANAGEMANAGE MEMORYMEMORY soft key. 3. Select the ERASEERASE MEMORYMEMORY soft key. To clear the 128 MB of non-volatile flash memory: 1. Press M. 2. Select the MANA

4、GEMANAGE MEMORYMEMORY soft key. 3. Select the ERASEERASE MEMORYMEMORY soft key. This process clears only the user accessible portion of memory. RadioFans.CN 收音机爱 好者资料库 8845A & 8846A SOMV 2 of 2 11/21/2006 Note The 4 MB non-volatile memory element is not usable and cannot be cleared by the user. Medi

5、a Memory (8846A Only) The 8846A has a front-panel USB port for connecting flash memory modules up to 2 Gigabytes to store Meter configuration and measurement data. To clear a memory module while connected to the 8846A: 1. Press M. 2. Select the MANAGEMANAGE MEMORYMEMORY soft key. 3. Select the ERASEERASE USBUSB MEMORYMEMORY soft key. RadioFans.CN 收音机爱 好者资料库