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2. Using a clean cloth, dry the contacts by wiping from their inside to outside edge. This
prevents particles from building up on the contact edges.
Caution
9
Do not use erasers to clean the edge connectors. They cause microscopic
damage to the contact surface, removing the thin gold plating and exposing
the nickel underplating, which eventually corrodes. Erasers also leave a film on
the contact and generate static electricity.
Do not use paper of any kind to clean the edge connector contacts. Paper or
lint particles left on the edge contact surface can cause intermittent electrical
connections.
Do not touch contact or trace surfaces with bare hands. Always handle the
board by its edges.
HP-IB Address Selection
The HP-IB address for the HP 8566B is preset at the factory by means of a five-segment
binary switch located on the Al5 Controller Assembly. This switch is set to the binary
number 11111 which corresponds to a decimal equivalent of 31. The number 31 is a special
instruction code that commands the instrument to use the last input address stored in
memory. This stored HP-IB address is ASCII 2R (d
ecimall
18) and determines the address to
be used on “power up.”
The HP-IB address may be changed to any of the addresses listed in Table 2 by resetting the
HP-IB
address
switch to correspond to the binary equivalent of the desired ASCII character
or decimal value as indicated in the table. The five-segment switch is illustrated in Figure 1
and is shown in its preset position (decimal 31).
4 General Information