3
Operation of the Locator
3.1
Display Panel Overview
a
b
c
d
e
f
g
h
i
j
k
l
0016743_001
a
Signal Strength Indicator
Indicates the response of the Locator
to a signal (utility).
b
Mode Indicators
Displays the selected mode: Power,
Radio, 8 kHz, 33 kHz, Auto, (512 Hz
and 640 Hz on DD130 series model).
As shown, from bottom to top.
c
Function Button
Selects operating mode.
d
Light Sensor
Automatically switches the displays
backlight on or off to suit light condi-
tions.
e
Battery Indicator
Indicates the battery condition. Segment illumination decreases as
battery condition declines. Replace the batteries when the battery
indicator is empty.
f
Wrench
Indicates the Locator requires periodic service or unit is faulty.
g
Numeric Signal Strength Indicator (SSI)
Symbol Static:
SSI is enabled.
SSI is disabled.
h
Current Indicator (DD130 series model)
‐
Indicates the amount cur-
rent flowing through a service which is applied by the Transmitter. This
is measured in milliamperes (mA).
i
Measurement Unit
Indicates depth indication is in metric or feet and inches.
j
Display Readout
Alpha numeric matrix indicates system set up and depth indication.
k
Depth Mode Indicators
Indicates a depth reading to a utility or a Sonde. Depth icon used to
indicate Hazard Zone status.
l
i Button
Used to access the user settings and to provide a depth readout for
Depth locators.
3.2
Locator Setup and Information
Press and hold the trigger to turn on and operate the locator.
Release the trigger to turn off the locator.
DD120, DD130 panel
overview
Turning on and off
the DD120, DD130
20
Operation of the Locator