Agilent Technologies Cell Phone S GSM Bedienungsanleitung PDF herunterladen (Seite 319)

100

101

8-23

Instrument BASIC

Memory Cards

Setting the Write-Protect Switch

The SRAM memory card’s write-protect switch lets you secure its contents from

being accidentally overwritten or erased. The switch has two positions as illustrated

in Figure 8-8 on page 8-23:

• Read-write – The memory-card contents can be changed or erased, and new files

may written on the card.

• Read-only – The memory-card contents can be read by the Agilent 8922M/S, but

cannot be changed or erased.

Figure 8-8 Setting the SRAM Write-Protect Switch

Backing Up the Memory-Card Programs

SRAM memory cards contain a battery to preserve its contents when the Agilent

8922M/S is turned off or when the card is removed. Memory-card contents may be

backed up using the following procedure:

Procedure for Backing Up a Memory Card

The program COPY_PL on Agilent 8922M/S ROM backs up Test Procedure and

Test Library ﬁles onto a SRAM memory card. The program COPY_PL also lets you

to initialize the SRAM memory card. (Code ﬁles should reside on OTP memory

cards; an external “device programmer” is required to download code ﬁles into an

OTP memory card.)

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