Tektronix TG700, Руководство пользователя

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GPS7 GPS Synchronization and Timecode Module
ADC BUS.
This diagnostic displays the condition of the Genlock input circuit:
Stuck — A 12-bit display showing the bits stuck high (H), low (L), or OK (-).
Short — A 12-bit display showing any shorted adjacent lines (SS) (-).
NOTE.
For all bits to move, the correct signal must be applied.
GENLOCK INPUT.
This diagnostic displays the following:
Min — The minimum value from the genlock ADC for the present input
signal.
Max — The maximum value from the genlock ADC for the present input
signal.
LTC POS INPUT.
This diagnostic displays the following:
Min (Raw) — The minimum raw ADC values of the positive LTC input.
Max (Raw) — The maximum raw ADC values of the positive LTC input.
LTC NEG INPUT.
This diagnostic displays the following:
Min (Raw) — The minimum raw ADC values of the negative LTC input.
Max (Raw) — The maximum raw ADC values of the negative LTC input.
Factory Default Settings
The following table shows the factory default settings for the GPS7 module.
These settings are recalled when you select
Factory Default from the PRESET :
RECALL menu item in the mainframe main menu.
Table 3-20: GPS7 module factory default settings
Menu item name
Submenu
item name
Settings
REFERENCE
SOURCE GPS Signal
LOSS LOCK
ACTION Stay current frequency
HOLDOVER
RECOVERY Stay legal
3–138 TG700 TV Signal Generator Platform User Manual