R.V.R. Electronica PTRL, User Manual

Page: 30 / 48

PTRL & RXRL LCD
26 / 44 User Manual Rev. 1.2 - 31/01/05
7.4 Front pannel of the RXRL-LCD
Figure 7.4
[1] AIR FLOW Grid for the air flow
[2] ON Green LED, illuminato when the transmitter is feeded
[3] LOCK If it is on, indicates that the VCO is locked at the reference
frequency
[4] PILOT yellow LED, if it is flashing, it indicates that there is a disfunction
in the demodulated signal.
[5] MUTE yellow LED, if it is flashing, it indicates that the muting is
activated, which means that the input signal has decreased under
the defined threshold
[6] CONTRAST Regulation Trimmer of the contrast of the display
[7] ESC Push-button to press to exit from a menu
[8] SINISTRA/SU’ Push-button for the navigation in the system composed of several
menus and for the modification of the parameters
[9] DESTRA/GIU’ Push-button for the navigation in the system composed of several
menus and for the modification of the parameters
[10] ENTER Push-button for the confirmation of a parameter and to enter the
menus
[11] DISPLAY Liquid crystal display
[12] POWER ON/OFF switch. It switches off the exciter without disconnecting
the AC supply