Operation
8
Zero Meter
Before any power measurements are made, be sure the pointer rests on the
zero mark. If not, set range switch to OFF position and adjust the zero
adjustment screw clockwise or counterclockwise until the pointer rests at the
zero mark. This adjusting screw is located at the bottom center of the meter
bezel face, refer to figure 6.
Figure 6 Zero Adjustment
OFF
Zero Adjust Screw
Battery Test
The accuracy of the unit may be affected by a weak battery. Check the condition
of the battery occasionally with the battery test position on the range switch. If
the pointer on the meter indicates a weak battery, the battery must be replaced
(4410 and 4410A) or recharged (4412A). See
"Battery Care" on page 14
.
Frequency Range
The elements are selected for the frequency range. Each element is marked
with its frequency range; the transmitter frequency must be within this range. A
set of several elements will cover a very wide frequency range.
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