Fisher Labs TW-7700 User Manual

5
Receiver
Mode
This button does not have a function on the TW-7700. (It
allows users of the TW-8800 Multi-Frequency Line Tracer
to change frequencies.)
Power On/Off
Turns the receiver on or off.
Light
Lights up the display for usage in dark areas. When the
display is backlit, LIGHT is shown on the bottom left hand
side of the display screen.
Bat
Press and hold this pad to check the battery level of the
receiver. A bar graph on the right side of the display will
give status of the batteries. When the graph shows 1 bar, it
is time to replace the batteries. Additionally, as the opera
-
tor uses the Receiver, if the batteries get low, REPLACE
BATTERIES will appear in the lower area of the Display
screen.
Vol(up)/Vol(down)
Increases or decreases the volume of the speaker.
Depth
After determining the centerline of the utility, set the blade
of the receiver on the ground, press and hold this pad to get
the depth to the center of the target.
TW-7700 RECEIVER
Controls
WARNING: Do not handle output leads unless power is off.
ELECTRIC SHOCK HAZARD: Servicing to be performed by
qualied personnel only.
The TW-7700 Receiver.

Fisher Labs TW-7700 Specifications

General

Brand	Fisher Labs
Model	TW-7700
Category	Measuring Instruments
Language	English