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ENTER Key - The ENTER key terminates commands. It
resembles the 'enter' key on a computer keyboard, and indicates
the end of numeric data entry. Holding this key when using the
ON or OFF functions will cause those functions to repeat until
the key is released.
8.3
Switcher Control Keys
The switcher control keys control the Allegiant switching and
programming functions.
NEXT - This key serves two purposes. First, it sets a sequence of
camera switches to run in a forward (ascending) direction.
Second, it selects the next step when programming a sequence.
PREVIOUS - The PREVIOUS key has the same action as
NEXT, except it sets a sequence to run in the backwards
(descending) direction.
RUN / EXECUTE - The RUN key starts a sequence if one is
currently 'loaded'. The EXECUTE key is used to exit the
programming mode and run the new sequence. This is actually a
single key with two separate functions.
HOLD - Pressing HOLD will stop a sequence currently running.
LOCK/DELETE - The LOCK key prohibits control of a remote
camera site or access to a monitor so that other operators may not
disrupt a particular camera scene or change the monitor display.
The DELETE key is used when editing a previously programmed
sequence. This is actually a single key with two separate functions.
ACKNOWLEDGE - This key is used to respond to a system
event such as the activation of an alarm.
8.4
Function Keys
Keyboard function keys put the keyboard in the proper mode to
correctly interpret your commands. In most cases whenever these
keys are pressed, an indicator in the mode display will show which
key has been pressed and therefore which mode the user is in.
MONITOR - Use the MONITOR key to 'connect' your
keyboard to another monitor.
CAMERA - Use the CAMERA key to call up a new camera to
your monitor. This is the default mode of the keyboard. The
system accepts only valid camera numbers 1 through 9999.
SEQUENCE - Use the SEQUENCE key when 'loading' a
sequence onto a monitor. The system is capable of storing up to
60 sequences.
ON / IN - ON selects a receiver/driver auxiliary function at the
camera location. The IN key is used to insert a sequence step
when programming. This is actually a single key with two
separate functions.
OFF / OUT - OFF deselects any receiver/driver auxiliary
functions currently in the 'on' state. The OUT key deletes the
current sequence step when programming. This is actually a
single key with two separate functions.
SET - Press SET to record a preset scene at a remote camera site.
SHOT - Press SHOT to call up a preset scene at a remote
camera site.
PROGRAM / END - Use the PROGRAM key to input a
camera sequence. The END key is used to exit the programming
mode. This is actually a single key with two separate functions.
MEMORY - Use the MEMORY key to record a series of
keystrokes into the keyboard local memory. These memories may
then be played back to simplify complicated command sequences.
There are ten memories having up to 75 keystrokes each.
USER - Press USER to log-on and log-off the system when this
feature has been enabled by the system installer, or to select
between any of the keyboard 'user' functions. A complete list of
the 'user' functions can be found in the USER INFORMATION
section of this manual.
ALARM - Press ALARM to arm/disarm cameras and monitors.
* (star) - This key is an advanced programming feature and has
no default function. It sends a control code to the Allegiant which
will cause ERROR 96 to occur unless a custom program function
has been predefined at the Factory.
8.5
Telemetry Controls
Telemetry controls activate the camera movements. These keys
will transmit commands to receiver/drivers at remote camera sites
as long as the keys are held down. This gives the operator control
over pan/tilt and zoom lens action in addition to any auxiliary
functions used. The keyboard controls are ergonomically placed
so that the operator may operate the lens and the pan/tilt
simultaneously. As many as four pan/tilt/zoom/focus commands
(Example - Zoom In, Focus Far, Pan Left, and Tilt Down) may
be sent to a remote camera site at one time. All three zoom lens
functions can also be sent simultaneously (Example - Zoom Out,
Focus Near, Iris Open).
Pan/Tilt Control - The pan/tilt control is the joystick located on
the right side of the keyboard (or four directional buttons on the
LTC 8551/00). Move it in any one of eight directions to make
the camera indicated by the number in the camera display tilt up
or down, pan left or right, or move diagonally. The joystick of the
LTC 8552/00 and LTC 8553/00 keyboards are also used to
provide zoom control by rotating the knob in either a clockwise
or counterclockwise direction.
Lens Control - The lens control buttons are rocker switches
located on the left side of the keyboard. Push either the top or the
bottom of the switch to make the lens zoom in or out, focus near
or far, and open or close the iris (on applicable lenses). Zoom and
focus may be operated simultaneously. For LTC 8552/00 and
LTC 8553/00 keyboards, the zoom function is controlled by
rotating the knob on the joystick.
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