Tektronix TekRanger 2 TFS3031, Service Manual

Page: 32 / 272

Zoom On
Setup
Store/
Print
Edit
Events
Trace
Table
Zoom Off
Cursor A
Cursor B
Operator Information
TFS3031 TekRanger/TekRanger 2 Service Manual
1–9
Buttons and Keys
The
SELECT
button and arrow keys:
H
Move the cursors, manipulate the waveform, and edit events in the wave-
form/table display.
H
Select and change instrument setups.
The
ON/OFF
button powers the TFS3031 on and off.
The HELP
button provides on-screen descriptive information about the current
instrument function or status.
For information about a button or softkey, push
HELP
, then push the button or
softkey in question.
Push the
HELP
button again to exit help.
The
START/STOP
button starts a test and stops a test in progress.
In Manual mode, hold down the
START/STOP button
for at least two seconds
for real-time (continuous) testing.
CAUTION.
Do not fire the laser (push the
START/STOP
button) unless a fiber is
connected to the Laser Output port. Severe damage to internal electronics can result.
Softkeys control the operation of the TFS3031.
Softkeys are displayed along the right side of the screen next to their pushbut-
tons. Softkey functions vary according to the current operating status of the
instrument.
Some softkeys toggle between dual functions, such as the
Cursor A
/
Cursor B
softkey. In dual-function cases, the currently active function is indicated by
highlighted text. In this illustration,
Trace
,
Zoom Off
, and
Cursor A
are
highlighted and are therefore active.