Ross SRG-4400, User Manual

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5–36 • Menu System SRG-4400 User Manual (Iss. 06)
Unlock Mode
This menu line allows the user to select the required action when reference is restored in Genlock
mode. The options in the field are:
• Internal Lock — Locks to the internal 10MHz oscillator
• Relock — Re-lock to an external reference
Lock Status
This menu line reports the status of the Genlock system. For video and frequency lock modes, the
options in the field will appear as:
• Internal Lock — appears under two conditions: when the SRG-4400 is set for Lock Mode
= Internal Lock, and when Lock Mode = Genlock and the external reference is absent.
• Lost Lock — appears when the SRG-4400 detects that the external Genlock video
reference has changed, is missing, or of an unrecognized format.
• Locking — displays while the SRG-4400 is actively Genlocking to the external Genlock
video reference.
• Locked — displays when the SRG-4400 has successfully Genlocked to the external
Genlock video reference.
• Locked to 10MHz — displays when the SRG-4400 has locked to the external 10MHz
frequency reference.
Additional options will appear in the field, mirroring a subset of the field options detailed in the
following sections.
Ref Signal
If an external Genlock reference is present, details regarding the format of the reference are
displayed in this menu line.
The options in the field will appear as:
• No signal
• 525 NTSC59.94i
• 625 PAL 50i
GPS Status
This menu line reports the status of the GPS system. The options in the field will appear as:
• Option is Off — appears when GPS Lock Mode has been selected, and the option is not
enabled.
• Acquiring GPS — displayed when the SRG-4400 is actively searching for satellites and
locking to the time information within the GPS signal.
• xLocked to GPS — (where x = t, i, a or p) is displayed when the SRG-4400 has
successfully locked to the pre-selected mode of GPS Locking (the display progresses in
sequence, as listed):
› tLocked to GPS GPS Time Locked
› iLocked to GPS Basic Frequency acquired
› aLocked to GPS Better Frequency acquired
› pLocked to GPS GPS Phase Locked