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6.4 FRONT PANEL KEYS
AI-2 function control is provided by a switch matrix with six keys.
These keys are used to configure the AI-2 operational parameters,
and to permit the user to control basic functions and select one of a
number of available time code registers to display.
6.4A Normal Operation
In normal operation the keys have the following functions.
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CAPTURE
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SETUP
SET/HOLD
STORE
DISPLAY
SAVE
ONLINE
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SETUP. Used to enter and exit setup mode, for configuring AI-2
options. The SETUP key operates as a toggle switch, press
once to enter setup and press again to leave.
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SET/HOLD. Used to enter Set/Hold mode and also to freeze
the display for two seconds, permitting the user to view a time
code position. Pressing and releasing the key "captures" the
display, allowing the time code number to be modified using the
DOWN and UP keys. The SET/HOLD key is also used with the
STORE key to capture and load an offset in the AI-2. See
Set/Hold operation in the operational features section, for a
detailed description.
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STORE. Used to confirm command settings, store time code
values that have been modified by the Set/Hold process and
view messages in the system error message stack. Also used
with the SET/HOLD key to capture and load an offset in the
AI-2. If held down on power up will cause the AI-2 to perform a
RAM clear operation and reset to default parameters.
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DISPLAY. Used to scroll through the display time code register
options. Press the DISPLAY key to rotate around the AI-2 time
code, cue start time, tape start time, offset, position error and
reader input registers. Also used to cancel read or save data
commands that require STORE to confirm.
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SAVE. Used to save AI-2 data to tape. At the end of a session
press the SAVE key to initiate a save to tape operation. The
AI-2 will write all data that has been previously read from tape
