3. Operating Instructions
Otherwise, remove the front cover and turn on the power. You are ready to test cables using the
most versatile and sophisticated portable TDR instrument on the market.
3.4. Front Panel Controls and Connectors
The following numbered items describe the controls and connectors identified in the front panel
diagram (Figure 3.2) and described in the text below.
Figure 3.2.
Diagram of the CT100B front panel.
1.
POWER
(
red
) button. Pressing this button turns the instrument on when the main
power switch on the rear panel is in the ON position. Pressing the POWER button when
the unit is on will turn the unit off after verification that you really wish to power down. If
the POWER button is held in for several seconds, the unit will turn off regardless.
2.
H1
function button. Function depends on menu.
3.
H2
function button. Function depends on menu.
4.
H3
function button. Function depends on menu.
5.
H4
function button. Function depends on menu.
6.
MENU
(
blue
) button. Push to display the top-level menu screen. If a menu is already on
the screen, this button will clear the menu. The previous menu will be displayed. This
button also activates on-screen help when held down while pressing other buttons.
7.
VERTICAL POSITION
knob. Controls the vertical position of the currently selected
trace. Trace selection is controlled by the
SELECT
button (14).
8.
VERTICAL SCALE
knob. Controls the vertical scale, which is displayed on the bottom of
the screen. This control modifies the appearance of the currently selected trace. The scale
is expanded about the vertical center of the screen.
9.
HORIZONTAL POSITION
knob. Controls the horizontal position of the active cursor.
Displayed trace positions are moved horizontally if the cursor is moved toward the edge of
the screen to keep the cursor on-screen.
10.
HORIZONTAL SCALE
knob. Controls the horizontal scale of displayed traces. The scale
is expanded about the active cursor.
12
CT100B TDR Cable Analyzers Operator’s Manual
