Electronics Home Security System User Manual

4. Gain Control: Adjusts the input gain to an
appropriate level.
5. Transmitter Housing: Contains the PCB and
battery.
6. Battery Status Indicator: Indicates the power
on/off and battery status.
a. When the power switch is turned on the
LED indicator flashes briefly, indicating
normal battery status.
b. If the LED illumination is sustained at
either power on or during usage the
battery level is low. The old battery should
be replaced with a new one.
7. Power Switch: Switch to ON position for
operation. Switch to OFF position when not in
use.
8. Battery Compartment and Cover:
Accommodates one 9V battery. (Figure 14)
2. OPERATING INSTRUCTIONS
Figure 14
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