Artistry In Motion Big Shots Handbuch für Betrieb und Wartung - Seite 11
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MAINTENANCE.
Since there are no calibration or tuning adjustments in the units, the only
maintenance required is periodic replacement of the transmitter battery and the
periodic charging of the receiver battery. The transmitter battery should be
replaced at least once per year, or at the next opportunity if the battery indicator
fails to flash at least twice per burst while transmitter power is switched on.
5.0
RADIO INTERFERENCE REDUCTION.
For safety reasons, the design goal for this equipment was to ensure that data
communication errors due to radio interference or to insufficient signal strength
due to low battery, exceeding specified range, or conductive objects in the signal
path will result in failure of intentional actuation rather than unintended actuation.
This goal is achieved by transmitting a 72-bit code repeatedly while a transmitter
button is depressed. 70 of these bits must match the pattern expected by the
receiver, and the other two bits select which channel (A or B) is to be actuated.
Two successive received 72-bit patterns must be identical before an actuation
can occur. Though this probability of unintended actuation is extremely small, it
cannot be guaranteedto be zero.
arm the receiver until all persons who might be harmed by accidental
actuation are in a safe area.
Additional protection is offered by use of a non-repetitive bit pattern for the
internally programmed firing code that cannot produce a match in the receiver if a
synchronization error occurs (as can occur with a "0101010101" pattern, for
example), and by selection of 418 MHz as the operating frequency. This
frequency is sparsely used, and when utilized it is used only by low power
transmitters with a maximum range of approximately 100 yards. Auto security
systems, garage door openers, radio control models, cordless or cellular
telephones, wireless microphones, or two-way communications equipment does
not commonly use 418 MHZ. Because this system operates in the UHF region,
interference from lamp dimmers, electrical discharges, and other natural sources
is also minimal.
Artistry In Motion, Inc.
Tel: 818.994.7388
Ver 08/20
You may remove the transmitter and receiver antenna(s) to make it easier
to store the units..
Be careful not to over tighten the transmitter antenna when screwing it on,
as this could cause its mating connector to rotate and break its internal
connection. Rotation could also occur, with the same result, when
subsequent removal of an over tightened antenna is attempted. The
recommended way to install the antenna is to grasp it by its small
diameter upper part and rotate gently in a clockwise direction until
increased resistance is felt. It need not be tight to achieve a good
electrical connection. When removing the antenna for storage, observe
the base of the mating connector to ensure that it is not rotating. If the
antenna is so tight that rotation is occurring, grasp the hex base of the
mating connector with long nose pliers, and then unscrew the antenna.
19411 Londelius Street, Northridge, CA 91324
Fax: 818.994.7688
Therefore, it is important that the user not
Website:www.artistryinmotion.com
Page 11