GW Instek GFG-3015 - Manual (Page 18)

p. 14 GFG-3015
The FREQ LED light on indicated that the value of display
was main output frequency right now.
The RATE LED light on indicated that the value of display
was rate frequency of sweep or modulation or trigger function
right now.
The SPAN LED light on indicated that the value of display
was Span frequency of sweep function right now.
The MHz, kHz, Hz and mHz LED light on indicated that unit
according current value of display.
11 Parameter display
Area (B) : This 4-digit Parameter display presents the parameter values
and information about the current status and unit.
The AMPL LED light on indicated that the value of display
was main output amplitude right now.
The OFFS LED light on indicated that the value of display
was main output DC offset voltage right now.
The DUTY LED light on indicated that the value of display
was main output duty cycle right now.
The SPAN LED light on indicated that the value of display
was span frequency of modulation function right now.
The SYM LED light on indicated that the value of display was
modulation signal duty cycle of sweep or modulation or trigger
function right now.
The PHASE LED light on indicated that the value of display
was phase of trigger function right now.
The STOR LED light on indicated that the value of display
was save group number right now.
The RECL LED light on indicated that the value of display
was reload group number right now.
The V, rms, dBm kHz, Hz, % and DEG LED light on
indicated that unit according current value of display.
12 Waveform Function
LEDs : These LEDs indicate the figure of main output waveform
and the current operation functions.
13 Counter Functions
LEDs : These LEDs indicate the GATE TIME of external counter and
the current value.
14 Modulation/Sweep
Function LEDs : These LEDs indicate the current status of Sweep and
Modulation and the current operation functions.
The AM LED lights on to indicate the setting status of
amplitude modulation function.
The FM LED lights on to indicate the setting status of
frequency modulation function.
The LIN LED lights on to indicate the setting status of liner
sweep function.
The LOG LED lights on to indicate the setting status of LOG
sweep function.
The Sine, Triangle and Square LED light on indicated that
according Modulation source waveform.
The EXT LED lights on to indicate the external sweep or
modulation signal source.
The ON/OFF LED lights on to indicate that the sweep or
modulation function is enabled.