Tektronix TG8000 User Manual

Operating basics
LED indicators
The front panel
includes the following LED indicators:
INT and EXT reference LED indicators. The INT (internal) and EXT (external)
LEDs indicate the status of the reference signal used to time signals. The states of
the INT and EXT indicators depend on whether a timing module is installed in the
mainframe. The following table shows the states of the LEDs for the different
mainframe r
eference signal configurations.
Table 2-1: States of the INT and EXT reference indicators
GPS7 module installed AGL7 module installed No timing module installed
Reference
source Status
EXT
LED
state
INT
LED
state Status
EXT
LED
state
INT
LED
state Status
EXT
LED
state
INT
LED
state
Internal
Good Off Solid
green
Good Off Solid
green
Good Off Solid
green
Internal Warming up
Off
Blinking
green
Warming up
Off
Blinking
green
Warming
up
Off
Blinking
green
GPS and/or
GLONASS
1
Good Solid
green
Off
NA
Off Off
NA
Off Off
GPS and/or
GLONASS
1
FOM not
reach to
“GPO
signal
warning”
Solid
amber
Off
NA
Off Off
NA
Off Off
GPS and/or
GLONASS
1
“GPO Loss
of Lock”
Solid
red
Solid
green
NA
Off Off
NA
Off Off
Genlock Good Solid
green
Off Good Solid
green
Off
NA
Off Off
Genlock
“Near Loss
of Genlock”
Solid
amber
Off
“Near Loss
of Genlock”
Solid
amber
Off
NA
Off Off
Genlock
“No
Genlock
Detected”
Solid
red
Solid
green
“Loss of
Lock”
Solid
red
Solid
green
NA
Off Off
1
Earlier versions of the GPS7 module included a receiver that could use only GPS signals. Later versions of the module include a receiver that can use GPS
and/or GLONASS signals. (See page 3-102, How to determine which GPS receiver is installed in your GPS7 module.)
TG8000 Multiformat Test Signal Generator User Manual 2–3

Tektronix TG8000 Specifications

General

Brand	Tektronix
Model	TG8000
Category	Portable Generator
Language	English