3. POWER ON, CONTROLS AND INDICATORS
NOTICE
Do not turn the amplifier on for at least 2 hours after unpacking it in the room where it
will be used. Pay particular attention when you move it from a very cold into a warm
place - condensation is likely and this could result in damage to the high voltage circuits.
In such a case, wait at least 4 hours. A similar effect can occur after a rapid warming of
the operating room (for instance after switching on a powerful heater in a cold shack).
NOTICE
In order to avoid any damage (not covered by the warranty), check carefully to be
certain that the voltage for which the amplifier is set corresponds to your mains nominal
voltage (see Section 2.2 Line Voltage Selection and Table 2-1 Amplifier Individual Data).
After following all instructions in Section 2 INSTALLATION, you may turn on the main power switch (marked
"ON") on the front panel (see Figure 3-1 Front panel - Display and Controls and Figure 2-2 Power rocker switch in
OFF or ON position). The green LED indicator above the switch will illuminate.
Figure 3-1 Front panel - Display and Controls
Figure 3-1 Front panel - Display and Controls
You will note that the upper LED bar-graph always reads peak forward power, except for the service
functions (see Section 5.6 Service Functions). The 800 W scale resolution is 50 W. Note also that levels below
50 W may be not detected.
The lower LED bar-graph will indicate reflected power up to 240 W. The scale resolution is 30 W.
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