On CW and SSB with the ON/OFF set to tune, low or high power the unit is in USB, moving the switch to BAT CHK puts it into LSB mode and high power. To tune up on LSB you cannot so flick it into tune and then into LSB, the battery condition still shows in LSB mode.
(providing it is the original and has not been opened or misused, does not cover Physical damaged after it has been accepted). The item "PRC320 114-3188 UK/RT320 Transmitter Receiver Radio Plus LSB FITTEDTESTED" is in sale since Sunday, October 28, 2018. This item is in the category "Collectables\Militaria\Surplus/ Equipment\Other Surplus/ Equipment".The seller is "gten98" and is located in oxborough. This item can be shipped worldwide.