Black Box ACU3009A Specifications download pdf (Page 44)

CHAPTER 7: Operation

7.3 Keyboard Commands and Related Functions

This section describes Micro Extender functions that can be controlled with

commands that users can type in at the user-station keyboards, as well as some

related functions. The different Extender models have different command

formats:

• The ACU3001A and ACU3009A use [Scroll Lock] as a single multipurpose

“command key”—pressing and releasing it different numbers of times,

sometimes while pressing the mouse buttons, causes the Extender to do

various things.

Very few of today’s software applications make use of the [Scroll Lock] key,

but if you’re using such an application on the PC attached to the Extender,

you can force the Extender to ignore the [Scroll Lock] character and pass it

through to the PC. Do this by setting position 2 of the Remote Unit’s DIP

switch to ON (see Section 5.2). Turning off [Scroll Lock] recognition will

disable the Extender’s reset command (see Section 7.3.1), and on the Dual-

Access model it will disable Private Mode as well (see Section 7.3.4).

• The ACU3022A uses either left-[Ctrl] or right-[Ctrl] as a “hotkey” that will

trigger the Extender to expect an additional command character. Right-[Ctrl]

is the default hotkey, but you can change it to left-[Ctrl] if necessary by moving

position 2 of the Remote Unit’s DIP-switch SW1 to ON (see Section 5.2).

For a quick summary of all of the Micro Extender’s keyboard commands, see

Appendix B.

7.3.1 R

ESETTING THE

EYBOARD AND

OUSE

When a Micro Extender system is set to its factory defaults, or if a keyboard or

mouse attached to the Extender ever lock up, you can reinitialize a user station’s

keyboard and mouse by typing in a reset command at the keyboard of a user

station attached to the Extender:

• In an ACU3001A Single-Access system, press and release the [Scroll Lock] key

once.

• In an ACU3009A Dual-Access system, press and release the [Scroll Lock] key

once at the Remote Unit or twice at the Local Unit.

• In an ACU3022A KVM/Serial/Audio system, press and release the hotkey,

then press and release the up-arrow (number 8) key on the keyboard’s

numeric keypad (not the number 8 on the top row of the keyboard).

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Black Box ACU3009A Specifications Page 44