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Quick Start Guide 2-9
ESG Family Signal Generators Exploring the User Interface
Display
ENVLP This annunciator appears if the burst envelope modulation is
turned on. This annunciator is present only on ESG-D and ESG-DP
Series Signal Generators.
ERR This annunciator appears when an error message is placed in the
error queue. This annunciator will not turn off until you have either
viewed all of the error messages or cleared the error queue. You can
view and delete error messages using the Utility menu.
EXT1 LO/HI This annunciator toggles between EXT1 LO and EXT1 HI. This
annunciator appears if the AC-coupled signal to the EXT 1 input is
less than 0.97 V
pk
or greater than 1.03 V
pk
.
EXT2 LO/HI This annunciator toggles between EXT2 LO and EXT2 HI. This
annunciator appears if the AC-coupled signal to the EXT 2 input is
less than 0.97 V
pk
or greater than 1.03 V
pk
.
EXT REF This annunciator appears when an external 1, 2, 5, or 10 MHz
frequency reference is in use.
FM This annunciator appears when frequency modulation is turned on.
I/Q This annunciator appears when I/Q modulation is turned on. This
annunciator is present only on ESG-D and ESG-DP Series Signal
Generators.
L The L annunciator is turned on when the signal generator is in the
listen mode and is receiving information or commands over the
GPIB or RS-232.
MOD OFF This annunciator toggles between MOD OFF and MOD ON and is
always visible in the display. This annunciator indicates whether
the modulations that you have enabled are modulating the RF
carrier.
OVEN COLD This annunciator appears when the temperature of the internal
ovenized reference oscillator (ESG-AP, ESG-DP, and Option 1E5)
has dropped below an acceptable level.
PULSE This annunciator appears when pulse modulation is turned on.
R The R annunciator appears when the signal generator is in remote
GPIB operation.
qsg.book Page 9 Friday, September 22, 2000 3:13 PM