= NOW 20 WPM = TEXT IS FROM MAY 2022 QST PAGE 46 = TWO UNITS TESTED FOR THIS REVIEW. CONTROLS THE POWER SWITCH IS ON THE TOP OF THE CONTROL UNIT. ABOVE THE TEMPERATURE CONTROL KNOB ARE LEDS TO INDICATE DEGREES F OR C. UNDER THE TEMPERATURE CONTROL KNOB IS A SMALL PUSH BUTTON THAT SELECTS TEMPERATURE UNITS F OR C, AND HAS SEVERAL OTHER FUNCTIONS. THE INSTRUCTIONS CALL IT THE LOCK BUTTON. UNDER SOME LIGHTING CONDITIONS, THE BUTTON MAY BE HARD TO SEE. ON THIS UNIT, THE SOLDERING IRON HOLDER IS PART OF THE CONTROL UNIT. BOTH THE SMALL TIP CLEANING SPONGE AND THE BRASS WOOL BALL ARE INCLUDED IN THE KIT OF PARTS. UNFORTUNATELY, THE SPONGE IS HELD IN PLACE ONLY BY FRICTION, SO IT TENDS TO FALL OFF. THE TIPS SHOWN ARE INCLUDED. WHEN MOUNTING THEM FOR THE FIRST TIME, THEY REQUIRE A BIT OF FORCE TO SET INTO THE HOLDER, BUT SUBSEQUENT = END OF 20 WPM TEXT = QST DE W1AW <