Specifications

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4. OPERATING CONTROLS
FRONT PANEL CONTROLS
ON/OFF SWITCH…………………………………………....Mains power on and off
STBY/TX……………………………………….…………Amplifier standby / operate
PLATE METER……………………..0 – 1.5A, monitors the plate current of the valve
GRID METER…………………………...0 – 400mA, monitors the grid current which
should not rise above 300mA
GRID / RF OUT…………………..switches the grid meter to monitor relative RF O/P
(LOAD CONTROL……………………………..Adjusts the loading of the strip-line)
Internally preset – can be adjusted with a screwdriver through hole in front panel
TUNE CONTROL…………………………...…….Adjusts the tuning of the strip-line
POWER LED………………………………....Shows that the amplifier is switched on
WAIT LED………………………………..Lit until the valve has warmed up and then
goes out when the amplifier is ready to use
GRID TRIP LED………………….……Indicates grid current has exceeded safe level
TX LED…………………………………………Shows when the amplifier is ON AIR