Active Graph 1 2 3 4: In Four Screen view use this menu to select which of the four graphs is active. The current active graph is underlined (1 2 3 4) and has a red perimeter line. Any of the four graphs can also be made active by tapping once on the touch screen. Repeatedly pressing the Active Graph submenu key will cycle the active graph, 1 through 4.

In Standard view (one graph displayed on the screen) the Active Graphic key will rotate between the four graphs displayed in the Four Screen view.

Maximize/Minimize Active Graph: The submenu key toggles between displaying the Four Screen (4 graphs) view and the Standard view (1 graph). Tapping twice on a selected graph also toggles between the two display options.

Graph Type: The label on the bottom of this button displays the current active graph type. Pressing the button will open a list box of the graph types available for TETRA Analyzer measurements. Select the desired graph type with the arrow keys or rotatory knob and press Enter. The current active graph will be replaced with the new selection.

Available graphs include:

Refer to TETRA Analyzer Graphs for additional information.

Symbol Span: Use this menu to adjust the number of symbols viewed across the screen in the Eye Diagram graph. Adjust from 2 through 5 using the keypad, the arrow keys, or the rotary knob. Keypad values entered outside of this range are ignored.

Back: Returns to the Measurement Menu.

 

Base Station: Pressing this button displays a Manufacturer Selector list where you can select a preloaded base station manufacturer (Airbus, Hytera, Sepura, Motorola, ETELM NeTIS) or choose to load a custom pattern. When Custom is selected, the Load Custom Pattern button becomes available (shown below, left) to load a custom pattern from memory or a USB device. Once a pattern is loaded, the button indicator turns red.

BCC/MCC/MNC: This button indicates the number of MultiFrames (#MF) of the currently loaded signal pattern: Base Color Code (BCC), Mobile Country Code (MCC), and Mobile Network Code (MNC). No Pattern Loaded is displayed when a valid pattern is not loaded.

Trigger Type: Toggles between External and Internal trigger.

Trigger Edge: Toggles between Rising and Falling trigger edge.

Delay Adjustment: Sets the playback delay. Press the Delay Adjustment key and enter the desired playback delay using the keypad, the arrow keys, or the rotary knob. If entering a delay time using the keypad, the submenu key labels change to ms or µs. Press the appropriate units key. Note that changing the delay will change the selected Base Station to Custom or to another manufacturer.

Start/Stop Test: This button is active (red indicator) once a valid TCH/7.2 test pattern has been loaded into signal memory and is ready to start a test. When this button is pressed, the test signal starts playing back continuously (clear indicator) and button text changes to Stop Test. Pressing the button again, changing a setting or leaving the BS Sensitivity menu will stop the test. The button may also display Waiting for Trigger.

Back: Returns to the Measurement Menu.