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will appear to confirm you wish to overwrite the old
waveform. Stored IFD waveforms have approximately
maximum 1/2 distance range compared to normal
stored waveform of equivalent pulse width.
2.3.5 Zoom Control
The Horizontal Zoom control expands and contracts the
waveform around center screen. This control can be
used to closely examine a feature found using preset
RANGE operation or can be used for complete control
of the waveform display distance.
2.3.6 Vertical Gain
The Vertical Gain control increases or decreases the
vertical amplitude or gain of the waveform display.
Increasing the vertical gain of the waveform display
allows the user to see smaller reflections or minor faults
on the cable signature.
2.3.7 Cable Type Menu
The Cable Type Menu is used to select the type of cable
under test which sets the VOP control to the correct
value. The VOP control can still be changed at any time
by the operator if a different VOP value is required.
2.3.8 Setup Options Menu
Before using your Model 1205CXA, there are several
setup options you can choose. The options you choose
will remain selected, even when the instrument is turned
off.
Options available
Horizontal Scale Units:
FEET or METERS
Distance format:
FEET, METERS, or TIME
dBRL Type:
FAULT or TOTAL
Horizontal Reference:
ON or OFF
Backlight at start-up:
ON or OFF
Velocity format:
VOP % or V/2
VOP precision:
2 DIGIT or 3 DIGIT
Cancel test lead length:
YES or NO
Serial printer type:
CITIZEN PN60 or
SEIKO DPU 411
Auto Filter:
ENABLED or DISABLED
The horizontal scale units option allows the distance
scale, shown on screen, to display in feet or meters.
The distance format option allows the operator to
select the distance between cursors and waveform
distance markers to either feet, meters, time, or
combinations of these three.