Excalibur
User Manual
20
9M02-7573-A001-EN
Version 3.0
7.
Operating Frequency Selection
In order to ensure interference-free operation of a radio control system, it may be necessary to change the RF
channel preset in the factory for transmission and reception by the system. Changing the RF channel can become
necessary due to interference or the fact that a specific RF channel is already in use. With the Excalibur radio
control system, a change of channel can be performed either by reprogramming the TransKey (external
programming) or by reprogramming the OCU. Reprogramming of the OCU is performed using the OCU keypad
and requires no additional equipment.
Note:
If a licensed band is configured, no user frequency selection is available.
7.1
Buttons are used to Program the OCU Frequency
These buttons are used as shown in Figure 7 for all Excalibur models.
The programming mode can be exited at any time by pressing the STOP button. In this case, the RF channel set
prior to the start of the programming remains set.
UP button
Level 1: C1
Level 2: C1 continuously
(0.3s/channel)
Transkey RF Channel
Level 1 + ON button: Re-
activates Transkey RF Channel
STOP button
Exit without changing the
channel.
DOWN button
Level 1: Channel -1
Level 2: Channel -1 continuously
(0.3s/channel)
ON button
Level 1: Accept the new RF
channel and exit the
programming mode.
Figure 7: Programming Mode Function Buttons
7.2
Required MCU Configuration
The MCU Transkey must be configured for the MCU to operate in “Autoscan” mode, so that in a situation where
the received signal from the OCU is lost, the MCU unit will start scanning automatically through the RF channels
within the programmed cluster, listening for a telegram that matches its system address. This feature can be
checked by contacting the manufacturer.
Содержание Excalibur OCU
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