Chapter 8
Maintaining the Batteries
Replacing the batteries
SmartClass E1 Tester User’s Guide
105
NOTE:
If the AC adapter is connected to the unit and to an AC power
supply, and the Battery LED is red, the charger has detected a fault condi-
tion, or the battery has less than ten minutes of power remaining. For
details on correcting this condition, see
.
3
Let the SmartClass charge for 2 to 4 hours depending on the voltage level.
The
Batt
LED is amber when the unit is charging the battery.
Charging the batteries is complete when the Batt LED is green.
Replacing the batteries
The battery compartment is located on the back of the unit, as shown in
.
The following procedure describes how to replace the batteries.
To replace the batteries
1
Turn the power off.
2
Disconnect the AC adapter.
WARNING: ELECTRICAL SHOCK
Electrical shock may result in serious injury or death. Be sure the AC
Adapter is connected to the correct voltage mains. Do not use outdoors or in
wet locations. Use only the AC Adapter supplied with the test set.
Figure 11
Back of SmartClass
Battery compartment
Screw
CAUTION: INSTRUMENT DAMAGE
Failure to turn the power off before removing the batteries from the E1
Tester could damage internal components and/or corrupt the software.
Always power down the unit before removing the batteries.
Summary of Contents for SmartClass E1
Page 1: ...SmartClass E1 and E1 Datacom Testers User s Guide...
Page 2: ......
Page 3: ...SmartClass E1 and E1 Datacom Testers User s Guide...
Page 6: ...iv SmartClass E1 Tester User s Guide...
Page 12: ...Table of Contents x SmartClass E1 Tester User s Guide...
Page 16: ...About this Guide Conventions xiv SmartClass E1 Tester User s Guide...
Page 32: ...Chapter 1 Getting Started Using the keypad 16 SmartClass E1 Tester User s Guide...
Page 38: ...Chapter 2 Instrument Settings Restoring factory defaults 22 SmartClass E1 Tester User s Guide...
Page 66: ...Chapter 4 E1 Testing Testing MFC R2 Signaling 50 SmartClass E1 Tester User s Guide...
Page 118: ...Chapter 7 Test Results Viewing saved results 102 SmartClass E1 Tester User s Guide...
Page 143: ......