Transmitter System R&S TLx9
R&S
®
TLx9
41System Manual 2506.5060.02 ─ 03
Off Reference signal (10 MHz/ PPS/GPS…) is not present and is not
required, since frequency regulation source is set to "Manual"
RF OK Transmitter RF OK
W Transmitter RF W
arning
F
T
ransmitter RF Fail 
[2]
Off Transmitter program off
   
Local Transmitter Local/Remote
LED shows the Local status (yellow)
On Transmitter On
(ON/OFF command accepted by the transmitter)
[1]
 During an update of the FPGA firmware (e.g. after installing a new software version)
the Warning LED is flashing.
[2]
 Special case: Saved RF Fail for (switched over and) switched off transmitter
.
3.1.4.14  TDU901 (Transmitter Display Unit)
The R&S TDU901 is a display unit with a touchscreen function and a graphical user
interface for configuring Tx9 transmitter systems.
Figure 3-16: TDU901 (Transmitter display unit)
The display has a touchscreen function for operating all of the transmitter functions.
Using sharp‑edged objects can damage or destroy the surface. Therefore only use
your finger to operate the touchscreen.
1. A light touch on a button is enough to trigger a user action.
2. A button lights up orange for as long as your finger remains there. The action is not
carried out until you remove your finger from the button.
Design and Function – R&S TLx9