Textron GREENLEE 5878 Manuel D'instructions page 11

Indicators
The Indicator Table provides information for interpreting the battery status indicator, results of the
insulation test, and the tones produced by the speaker.
Indicator Table
Feature Indication
No display
Flashing
Battery
Status*
Continuous
BAT
A short, low-
pitched tone
A continuous,
low-pitched
Speaker
tone
A short, high-
pitched tone
A repeated,
high-pitched
tone
OL
u
Insulation
Resistance
– – – –
Test
t
* After turning the megohmmeter on, the display will show the
amount of battery life as a percentage.
Good battery.
Battery life is limited.
Battery is low. Measurements may not be accurate.
Replace the battery.
Battery is discharged. Unit will shut down automatically.
• any button is pressed
• the automatic power off feature is turning the unit off
• lead resistance compensation
• TIMER function (sounds at 30 seconds, 1 minute, and 10 minutes
• the measurement is lower than the minimum alarm setpoint
• the measurement is higher than the maximum alarm setpoint
An inactive button is pressed (except the yellow test button).
The automatic voltage check has measured more than 25 volts
and the insulation resistance test is in progress.
Insulation test will be disabled.
The insulation resistance is greater than 2.0 GΩ.
The insulation resistance is greater than 1.1 GΩ.
The insulation resistance is less than:
• 50 kΩ at 250 V
• 100 kΩ at 500 V
• 200 kΩ at 1000 V
The insulation resistance is less than 70 kΩ.
5878 • 5880 • 5882
Explanation
icon and the approximate
11