Panasonic AJ-HDC20A P Operating Instructions Manual

Contents

Panasonic AJ-HDC20A P Operating Instructions Manual Manual pdf 57 page image

57Externally locking the time code1 Set the POWER switch to ON.2 Set the TCG switch to F-RUN.3 Set the DISPLAY switch to TC.4 Supply the reference time code and referencevideo signal which are in a phase relationship thatsatisfies the time code standard to the TC INconnector and GENLOCK IN connectorrespectively.The built-in time code generator is now locked to thereference time code.About 10 seconds after locking, the external lockstatus will be retained even if the connection of theexternally supplied reference time code isdisconnected. However, the servo lock will be subjectto disturbances if it is connected or disconnectedduring recording (REC).When the external lock operation is performed, thetime code is instantly locked to the external time code,and the same value as the external code valueappears on the counter display.Do not set the unit to the recording mode during thefew seconds it takes for the sync generator tostabilize.User’s bit setting when the time code is externallylockedWhen the time code is externally locked, only the timedata is locked to the time data of the external timecode.This means that the user’s bit can be set separatelyfor each unit.The user’s bit can also be locked to the user’s bit ofthe external time code. For details, consult yourdealer.To release the external lockFirst stop supplying the external time code, and setthe TCG switch to R-RUN.When switching the power from the battery to anexternal power supply while the time code isexternally lockedIn order to ensure the continuity of the time codegenerator’s power, connect the external power supplyto the DC IN connector, and then remove the batterypack. If the battery pack is removed first, noguarantees can be made for the continuity of theexternal locking of the time code.Gen-locking of the camera unit while the timecode is externally lockedWhile the time code is externally locked, the cameraunit is gen-locked by the reference video signal whichis supplied to the GEN LOCK IN connector.Setting the time data321GENLOCK INTC INThe time code generator of the VTR unit can belocked to an external generator.Example of connections for externallockWhen locking to an external signalReferencetime codeReferencevideo signal