conveniently find buried metallic masses, such as valve caps
or manhole covers. Section D of this manual, “Operating
Procedures,” contains more details about these locating
methods and others. Specific features and controls found on
the 902 receiver panel are described here (refer to Fig. 2):
a) The POWER Switch. This push-button switch activates
and deactivates the receiver. The receiver is activated
(“on”) when the POWER switch is depressed so that the
“BATT” light above this switch illuminates. Depressing the
switch again will turn the receiver “off”.
b) The BATT Indicator. When the condition of the batteries in
the receiver is good, this LED shines when the receiver is
activated. If this indicator does not shine when the
POWER switch is pressed, or it stops shining during
operation, then the batteries need to be replaced.
4
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