Mohr CT100B Series - Front Panel Controls and Connectors

3. Getting Started
3.5. Preparing to Use the CT100B
Before using the CT100B, make sure you have read and understand the Safety Summary section
and the power requirements described in Section 3.2. If you would like a detailed explanation of
TDR measurement theory and applications before using the CT100B to test cables, please read
Section 7, TDR Measurement Theory.
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.
3.6. Front Panel Controls and Connectors
The following numbered items describe the controls and connectors identified in the front panel
diagram (Figure 3.2).
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).
12 CT100B TDR Cable Analyzers Operator’s Manual