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⑨ ⑨ ⑨ ⑨ O.HEAT
O.HEAT (LED)
O.HEAT
O.HEAT
(LED)
(LED) : When the PA module temperature reaches 80 deg.C, the LED lights to
(LED)
indicate the protection circuit has worked. (It is necessary for the
cooling fan to operate for several minutes to cool the PA module.)
(Turn the main POWER switch to off, and then on again to reset the Protection Circuits.)
(Turn the main POWER switch to off, and then on again to reset the Protection Circuits.)
(Turn the main POWER switch to off, and then on again to reset the Protection Circuits.)
(Turn the main POWER switch to off, and then on again to reset the Protection Circuits.)
⑩ ⑩ ⑩ ⑩ BAND
BAND
BAND
BAND
: Select the desired operating frequency band.
⑪ ⑪ ⑪ ⑪ METER
METER
METER
METER
: To change the multi-meter scales. Meter reads Pf, Pr, Vd, and Id.
⑫ ⑫ ⑫ ⑫ ID
ID (LED)
(LED)
: LED lights when the input drain current is over 20A. This does not
ID
ID
(LED)
(LED)
mean that any damage occurred to the amplifier, but is useful for the
user to notice any stress influencing the final FET caused by high drain
current, load impedance trouble, etc. We recommend that you note the
usual condition of the lighting. When any unusual symptoms are
noticed, the user may lower the drive power from the transceiver, check
the antenna SWR, etc.
⑬ ⑬ ⑬ ⑬ FAN
FAN
FAN (LED)
FAN
(LED)
(LED)
(LED)
: LED lights when fan is running at high speed. When the heatsink
reaches 50℃ the cooling fan will switch to high-speed mode to cool the
heatsink.
⑭ ⑭ ⑭ ⑭ MULTIMETER
MULTIMETER : Pf (Forward output power), Pr (Reflected power from antenna), Vd
MULTIMETER
MULTIMETER
(FET drain voltage), and Id (FET drain current) are shown on the scale
as selected by ⑪METER select switch.
7
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