DRS4D Tx vs. Standby and Magnetron

MarMax

Furuno Super Fan
I have a DRS4D that is at about 220 hours standby and about 20 hours Tx time. Was talking to my dealer and he said that the standby and Tx time is the same as it relates to the life of the magnetron. I'm no where near that point but would like to know if this is correct?

If so, seems like on days were I know that the radar will not be used I should leave it powered off. Up till now I've always thought that if it's not transmitting then it's not using the magnetron. Would be nice to know which is correct.
 
We normally follow transmit hours, especially when it comes to the newer digital radars. When in stby, there is heater voltage only at the Mag. When you transmit the high voltage is generated and the Mag is fired. Operations where they run the radar 24/7 they normally try to estimate when they might need to replace the mag for preventive maintenance. Important operations will have another backup radar just in case. This could be as simple as our wireless radar and an iPad.
 
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