Memory Sizes; Eeprom And Ram Sizes On The Pc Boards; Restoring Default Settings; Using The Hp-Ib Device Command - HP 8114A Service Manual

Memory Sizes

EEPROM and RAM Sizes on the PC Boards

Restoring Default Settings

Installing the HP 8114A
The HP 8114A is fitted with the following sizes of memory:
The following sizes of EEPROM and RAM are fitted to the PC Boards:
Timing Board: 16 K Byte EEPROM
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Variable Baseline Board: 16 K Byte EEPROM
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Up to 10 different instrument setups can be stored in the RAM
locations.
There are two ways to restore HP 8114A default settings:

Using the HP-IB device command

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Overwriting settings

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The first method can lead to accidental erasure of wanted settings, as
all setups are replaced.
The second method replaces settings in each location individually, so
it is possible to restore defaults only where needed.
Using the EIP-IB Device Command
Using the HP-IB device command:
: SYSTem: SECurity [ : STATel O N
all RAM stored information can be erased, and replaced by the
HP 8114A default settings.
Do not switch system security ON unless you are willing to erase all
RAM stored information.
RAM is erased when:
The instrument is switched OFF and then switched ON immediately
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after.
Overwriting Settings
Standard Setting
Recalling
locations 1 to 9, as required, overwrites each setting in turn.
from memory location 0, and storing it in