| If no DIP-switches are available for setting the output power, the output power value set in the configuration register "Specific Transmitter Output Power" is used when the RTU is switched on. Configuration Register: Specific Transmitter Output Power A change in the contents of the Transmitter Output Power Register has an immediate effect on the current transmitter output power. This value is however lost when an RTU is reset or if the power supply is interrupted. The value of the Transmitter Output Power Register is copied from Specific Transmitter Output Power Register whenever an RTU is reset or restarted after a power supply interruption. If the transmitter output power is to be kept at a constant value at all times, both registers must be set accordingly. If the transmitter output power is to be adjusted via the DIP-switches, a value of "00" must be written into the Specific Transmitter Output Power Register. Configuration Register: Field Strength of Received Signal The field strength of the received radio signal at the time of receiving the last message frame is recorded in this register as a percentage value (0-100%). Specific field strength levels, corresponding percentage values, and the coded LED display patterns are listed in the following table. |