Adjusting Audio Input Settings And Recording Level; Setting Audio Input; Adjusting Audio Recording Level - JVC GY-HM790CHU Instructions Manual

Shooting
Adjusting Audio Input
Settings and Recording
Level
You can record audio from the two channels (CH-1/CH-2) in
synchronization with video images on this camera recorder.
The camera recorder is equipped with [INPUT1] and [INPUT2]
terminals for audio input. You can select a recording channel
and the adjustment mode (manual/automatic).

Setting Audio Input

Select the audio to input through [INPUT1] and [INPUT2]
terminals with the [AUDIO INPUT 1/2] mode switch.
[LINE] Use this setting when connecting to an audio device or
other equipment. The reference input level is +4 dBu.
[MIC] Use this setting when connecting to a dynamic
microphone.
[MIC+48V] Use this setting when connecting to a microphone
(phantom microphone) that requires a +48 V power
supply.
Note :
● When connecting a device that does not require a +48 V
power supply, make sure that it is not set to the
AMIC+48VB position.
● When the [AUDIO INPUT 1/2] mode switch is set to
AMICB, make sure that a microphone is connected to the
[INPUT1/INPUT2] terminal. If you increase the recording
level when a microphone is not connected, noise from the
input terminal may be recorded.
● When a microphone is not connected to the [INPUT1/INPUT2]
terminal, set the [AUDIO INPUT 1/2] mode switch to ALINEB or
adjust the volume with the [AUDIO LEVEL CH-1/CH-2]
recording level adjustment knob.
Memo :
● Set the reference input level of AMICB and AMIC+48VB
using [Input1 Mic Ref.]/[Input2 Mic Ref.] in the
[Main Menu] B [Record Set] B [Audio Set] menu.
(A Page 77)
Setting of [CH-2 INPUT] Selection Switch
Use the [CH-2 INPUT] selection switch to select the audio to
be recorded to CH-2.
[INPUT1] Records audio from [INPUT1] terminal to CH-2.
[INPUT2] Records audio from [INPUT2] terminal to CH-2.
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[CH-2 INPUT] Selection Switch
[AUDIO INPUT 1/2]
Mode Switch
[INPUT1/INPUT2] Terminal

Adjusting Audio Recording Level

You can select to adjust the audio recording levels for the two
channels (CH-1/CH-2) manually or automatically.
[AUDIO LEVEL
CH-1/CH-2]
Adjustment Knob
Manual Adjustment Mode
(Manual Adjustment)
Set the [AUDIO SELECT CH-1/CH-2] switch on the camera
recorder to AMANUALB to enter the manual adjustment
mode, and use the [AUDIO LEVEL CH-1/CH-2] adjustment
knob to set the recording level.
You can adjust the level manually during the recording,
recording pause, and stop modes.
1
Set the [AUDIO SELECT CH-1/CH-2] switch to
AMANUALB for the channel to manually adjust the
recording level.
2
Turn the corresponding [AUDIO LEVEL CH-1/CH-2]
adjustment knob to adjust the level.
Adjust such that the audio level meter does not light up at -2 dB
even for loud sounds.
1280x720 30/24 fps 0 0 : 0 0 : 0 0 : 0 0
24p HQ
A
100min
ND1/16 A<3200K>
B 100min
F5.6 AE+1 9dB 1/10000
STBY
282min
STATUS 1 Screen
Memo :
● Set [Audio Limiter] in the [Main Menu] B [Record Set] B
[Audio Set] menu to AOnB to activate the audio limiter in
the Manual Adjustment mode. This controls the recording
level when excessive audio signals are input.
(A Page 77)
● For the reference level to be recorded on SDHC cards, set
[Audio Ref. Level] in the [Main Menu] B [Record Set] B
[Audio Set] menu to A-20dBB or A-12dBB. (common for
CH-1, CH-2) (A Page 77)
[FULL AUTO] Switch
When the LCD monitor is open
[AUDIO SELECT CH-1/CH-2]
Selection Switch
MAX 123%
MIN 45%
S.DTL
B -3
Audio Level Meter
-2 dB