Panasonic AJ-HDC27A operating instructions Automatic audio level adjustment function inspection

Inspections prior to shooting

Inspecting the VTR unit

2.Automatic audio level adjustment function inspection

1Set the AUDIO SELECT CH1 and CH2 switch to AUTO.

2Set the AUDIO IN CH1 and CH2 switches to

FRONT.

3Point the microphone connected to the MIC IN jack at a suitable sound source, and check that the changes in the level displays for both CH1 and CH2 reflect the changes in the strength of the sound.

3.Manual audio level adjustment function inspection

1Set the AUDIO IN CH1 and CH2 switches to

FRONT.

2Set the AUDIO SELECT CH1 and CH2 switch to MAN.

3Turn the AUDIO LEVEL CH1 and CH2 controls. Check that when they are turned clockwise, the level displays increase.

4.Earphone and speaker inspection

1Set the VTR SAVE/STBY switch to STBY.

2Turn the MONITOR control, and check that the speaker volume changes.

3Connect the earphones to the PHONES jack. Check that the sound from the speaker is muted, and that the microphone’s sound is heard in the earphones.

4Turn the MONITOR control, and check that the earphone volume changes.

5.Inspection using external microphones

1Connect external microphones to the AUDIO IN CH1 and CH2 jacks.

2Set the AUDIO IN CH1 and CH2 switches to REAR.

3Set the LINE/MIC/+48V selector switch on the back panel to MIC or +48V in accordance with the external mic’s power supply type.

MIC : Internal power supply mic.

+48V : External power supply mic.

4Point the microphones at the sound source, and check that the changes in the audio levels displayed on the audio level meter of the display window and in the viewfinder reflect the changes in the strength of the sound.

This inspection can also be performed for each channel by connecting one of the microphones to each channel in turn.

6.Inspections relating to the time code and user’s bit

1Set the user’s bit as required.

For details on the setting procedure, refer to “Setting the user’s bit” (page 55).

2Set the time code.

For details on the setting procedure, refer to “Setting the time code” (page 56).

3Set the TCG switch to R-RUN.

4Press the VTR START button.

Check that the figure on the counter display changes as the tape travels.

5Press the VTR START button again.

Check that the tape stops and the figure shown on the counter display stops changing.

6Set the TCG switch to F-RUN.

Check that the figure on the counter display changes irrespective of the tape travel.

7Set the DISPLAY switch to UB.

Check that the user’s bit which has been set is now displayed.

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