Hi,
The output power of the transceiver can be adjusted by means of the carrier level control R28 on the main board. It is normally set to give an output of 10W, but this can easily be reduce to 5W by re-adjusting this potentiometer if you wish.
The output power can also be set with the on-board attenuator. This is set by selecting the TUNE mode, press the PTT switch, and then press and hold the PWR button whereupon you will be able to adjust the output power by inserting or removing steps of the fixed attenuator. The step setting will be stored in the EEPROM for future use.
You say you are using my firmware version 1.07u, there is now a new version, 1.07x that has a number of improvements that you may wish to install, along with an updated user manual. Drop me an email to:
adrian04@cytanet.com.cy and I'll be happy to send you this latest version. There is also a new version for the PA-100D linear amplifier, if you have that equipment as well.
Regards,
Adrian, 5B4AIY