this is the way to enter the freq expansion mode: (but only after you make that solder connection)
When Turning on the radio hold in the DW and channel 9 buttons.
To get to the 10 meter band hold in the LCR and MIC buttons.
To change bands press the channel 19 button.
Repeat this process to return to regular 40 Channel CB.
Now that i think back, i remeber a radio tech telling me that some radios were already modified from the factory. Mine wasnt, so i had to make the solder bridge.
So first try the above button method, as you may not have to solder it.