Operations and Maintenance Manual

VS300 Operations and Maintenance Manual Operating the transmitter
Issue 10.0 2019-01-18 Page 2-11
Navigational buttons
There are six push-buttons on the right-hand side of the LCD display that allow navigation
through the UI pages, as well as modifying selected settings.
– Up and down - on menu and list screens, moves cursor up and down through the
associated page; on edit screens, increases and decreases the value of a parameter
being modified.
– Left - on menu and list screens, exits to the next higher level screen; on edit screens,
moves the editing cursor left, as applicable.
– Right - on menu and list screen, goes to the next lower level screen; on edit screens,
moves the editing cursor right, as applicable.
– Checkmark - on menu screens, goes to the next lower level screen; on edit screens,
acts as an “accept” or “save” function; in some cases the display will prompt its use.
– X - on menu and list screens, exits to the next higher level screen; on edit screens,
acts as a “cancel” function; in some cases the display will prompt its use.
Turning RF on and off
From any UI screen, pressing X and the up arrow simultaneously, toggles the RF on/off status.
You can also use the Main Menu -> RF On/Off screen to toggle the status.
Saving settings
Many of the UI screens allow for modifying a selected setting. Use the checkmark button to
save a change. Use the X button to cancel a change and revert back to the previously stored
value.
LEDs
There are four LEDs on the left-hand side of the LCD display that provide the operational
status of various sections of the transmitter - Exciter , Power Amplifier , Output Network and
Power Supply (see Figure 2.5 on page 2-10). The LEDs can glow green, amber or red. Typically,
green indicates normal operation, amber indicates a warning, and red indicates a fault or error.
Refer to the Troubleshooting section for more detailed information on LED status.