Keysight EXG and MXG X-Series Signal Generators User’s Guide 21
Models, Options, and Front/Rear Panels for All Models
Front Panel Display
BBG DAC A DAC overflow is occurring, adjust the runtime scaling adjust until the BBG DAC annunciator turns off.
Another annunciator, UNLOCK, appears in the same position and has priority over the BBG DAC annunciator
(see UNLOCK, below).
CHANCORR The internal channel correction is enabled.
DETHTR The ALC detector heater is not up to temperature. To meet ALC specifications the heater must be at
temperature.
DIGBUS The digital bus is in use.
DIGMOD ARB Custom Modulation is on.
ERR An error message is placed in the error queue. This annunciator does not turn off until you either view all of the
error messages or clear the error queue. See “Reading Error Messages” on page84.
EXTREF An external frequency reference is applied.
FADING
FPASS
If Real-Time Fading is On, the FADING annunciator appears in the same position as ALC OFF.
If Real-Time Fading is in Pass-Through, the FPASS annunciator appears in the same position as ALC OFF.
See “Using Real-Time Fading Softkeys” on page338.
FM Frequency modulation is on. If you turn phase modulation on, the ΦM annunciator replaces FM.
I/Q I/Q vector modulation is on.
L The signal generator is in listener mode and is receiving information or commands over the GPIB, USB, or VXI–
11/Sockets (LAN) interface.
M–TONE Multitone waveform generator is on.
MULT A frequency multiplier is set. See “Setting a Frequency Multiplier” on page127.
N5102A N5102A Baseband Operating Mode is on. The annunciator goes away when BERT or Primary mode is selected.
See “To set the Baseband Operating Mode to N5102A” on page399.
OFFS An output offset is set. See “Setting an Output Offset” on page125.
PN Phase noise interference is on.
PULSE Pulse modulation is on.
R The signal generator is remotely controlled over the GPIB, USB, or VXI–11/Sockets (LAN) interface. When the
signal generator is in remote mode, the keypad is locked out. To unlock the keypad, press Local.
See “9. Local Cancel/(Esc)” on page17.
REF
An output reference is set. See “Setting an Output Reference” on page126.
RF OFF The signal generator’s RF Output is not enabled.
S The signal generator has generated a service request (SRQ) over the GPIB, USB, or VXI–11/Sockets (LAN)
interface.
SWEEP The signal generator is currently sweeping in list or step mode.
SWMAN The signal generator is in manual sweep mode.
T The signal generator is in talker mode and is transmitting information over the GPIB, USB, or VXI–11/Sockets
(LAN) interface.
T–TONE Two–Tone waveform generator is on.
UNLEVEL The signal generator is unable to maintain the correct output level. This is not necessarily an indication of
instrument failure; unleveled conditions can occur during normal operation. Another annunciator, ALC OFF,
appears in the same position when the ALC circuit is disabled (see ALC OFF, above).
UNLOCK Any of the phase locked loops cannot maintain phase lock. To determine which loop is unlocked, examine the
error messages. See “Reading Error Messages” on page84.
WATRG The current modulation mode is waiting on the Arb trigger.
WINIT The signal generator is waiting for you to initiate a single sweep.
This annunciator appears when...
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