R&S SU 4200 Local Control (Local Mode)
6125.0226.12.01 3.24
Indicatio n via LEDs\Indic ation via LEDs "Name".do c
3.4.4 Indication via LEDs
Status display
The LEDs on the front of the radio show the status of various settings and
operating modes.
Fig. 3.15 Indication via LEDs
LED Color Meaning
Meaning of LEDs
AC Green AC primary voltage is available
DC Green DC battery voltage is available
VOP Green Voltage operational is available,
radio is active
GO Green No error, no NOGO warning,
output TEST_OC = contact to ground
CARR Yellow Transmit power (carrier) is available
P
out
> 500 mW
VSWR Yellow VSWR mismatch at antenna
VSWR > 2
MOD Yellow Transmitter is modulated (>30 % AM)
SQ Yellow Squelch indicator, Receive signal is
available.
Note: The SQ LED has no function in the
transmitter.