Preparations and main functions, Camera cable length setup, Adjustments for genlock operation – JVC RM-LP25U User Manual

Page 22: Setting the cable length, Preparation, Connected components to stabilize

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12

Preparations and Main Functions

Cable length setup is required when a camera is connected
to the RM-HP790DU/RM-HP790DE for the first time or when
the camera cable length is changed.
The cable length setup value is stored in the memory inside
the RM-HP790DU/RM-HP790DE and is held even after it is
turned OFF.

1

Press and hold the [MENU] button for about 1 second

until the LCD display shows the menu display.
Turn the control knob to move the cursor (

J) to

A2: CABLEB

2

Press the [SHUTTER] control knob to display

A2A: LENGTHB

Setting the cable length

1

Press the [SHUTTER] control knob to move the cursor

(

J) to the currently set length

2

Turn the [SHUTTER] control knob to select the cable

length that is to be used in meters (Variable to

A5MB,

A20MB, A50MB or A100MB)

3

After setting the value, press the [SHUTTER] control

knob to move the cursor (

J) back to

A2A: LENGTHB

Genlocking is required for a system, which uses an SEG
(special effects generator) as the main signal source.
(A Page 9 [Example of Connection with 2 Units])

Memo :

● The following adjustments can be made more accurately

when using a vectorscope and waveform monitor.

● Be sure to use an underscanned video monitor.

● It is not permitted to genlock the system components

using a VCR playback signal.

● Before phase adjustment, wait a little for the phases of the

connected components to stabilize.

Preparation

1

Press the [BARS] button to output the color bar signal.

The button light should light up

2

Output the built-in color bar signal of the SEG from

the program connector on the front panel of the SEG
(
A Refer to the [Instructions Manual] of the SEG)

3

Observing the monitor screen at the same time,

adjust the H PHASE (horizontal phase) and SC PHASE
(subcarrier phase) while using the switch on the SEG to
alternately change between color bars of the internal
RM-HP790DU/RM-HP790DE that of the SEG

Camera Cable Length
Setup

M

FULL AUTO

F1

SHUTTER

GAIN

F2

F3

MENU/SHUTTER

GAIN

P

R

STEP

SHUTTER

MENU

PUSH-ON

DOWN

UP

VARIABLE

PUSH-ON

HIGH

LOW

MID

DOWN

UP

F4

BARS

2. CABLE

[MENU] Button

[SHUTTER] control
knob

LCD display

1: GENLOCK

2: CABLE

Cursor

2A: LENGTH

5M

Cursor

Setting

2A: LENGTH

5M

Cursor

2A: LENGTH

100M

Setting

Adjustments for Genlock
Operation

M

FULL AUTO

F1

SHUTTER

GAIN

F2

F3

MENU/SHUTTER

GAIN

P

R

STEP

SHUTTER

MENU

PUSH-ON

DOWN

UP

VARIABLE

PUSH-ON

HIGH

LOW

MID

DOWN

UP

F4

BARS

1: GENLOCK
2: CABLE

[MENU] Button

[SHUTTER] contro
knob

LCD display

[BARS] Button

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