AM-48 Test Set (18-0015) Power Considerations
0015-S04
4-1
4 POWER CONSIDERATIONS
4.1 General
This section covers AM-48 power considerations, including battery
installation, AC Adapter connection, and the power on/off switch.
The AM-48 runs on internal battery or external AC power. Flashing
display decimal points indicate low batteries; alkaline batteries need
replacing, and NiCad batteries need recharging.
Low-Level Noise Measurements . Power the AM-48 with batteries
when making a low-level noise measurement. Do
not power the
AM-48 with the AC Adapter for this test, because interference from
the AC source can affect the measurement.
4.2 Battery Compartment
The battery compartment under the rear panel is accessed through a
removable slide door. The compartment takes four (4) AA 1.5-volt
alkaline or NiCad batteries. The battery compartment also serves as a
recharger for NiCad batteries when the AM-48 is connected to 115
VAC with the AC Adapter.
4.3 Battery-Selector Switch
The Battery-Selector Switch is on the inside edge of the battery
compartment as shown in Figure 4-1.
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