Trouble Shooting; Service Menus - JVC GY-HM790U Service Manual

5.1

SERVICE MENUS

5.1.1 Modes required in servicing
While holding down the specified button(s) (FOCUS ASSIST, USER 3), press the [MENU] button to display the first layer menu of the
service menu hierarchy. The items in the first layer vary according to the specified button(s) being held when the [MENU] button is
pressed. (Characters are displayed on LCD monitor screen or View finder.)
MENU Item
FIRMWARE Firmware (Package) version indication
VERSION CHECK CPU and Program version indication
ADVANCED FUNCTION Camera settings, Blemish detect etc.
SERVICE FUNCTION Test signal, Battery voltage settings etc.
DIP SW DIP SW Menu
HOUR METER Hour meter indication
ERROR HISTORY Error history indication
OTHERS All reset, Memory edit
5.1.2 Operation in the first layer of the service menu
(1) While holding down the specified button(s), press the
[MENU] button.
(2) The first layer of each service menu is displayed.
(3) Press the [Cross-Shaped] buttons to move the cursor ( )
to the item to be displayed.
(4) Press the [Set] button or the [Cross-Shaped] button (right)
to select the item.
NOTE :
• During recording, the service menu does not start up.
• To go back to the upper layer, press the [CANCEL] button
or the [Cross-Shaped] button (left).
• To cancel the service menu, press the [MENU] button.
5.1.2.1 VERSION MENU Display (Service menu 0)
(1) Turn ON the power.
(2) While holding down the [FOCUS ASSIST] button, press
the [MENU] button to display the VERSION MENU.
Note:
The package version of the firmware is displayed in the VER-
SION MENU.
Select the VERSION CHECK menu in the ADVANCED
MENU, when confirming the version of the CPU.
--- VERSION ---
FIRMWARE
EXIT
1-22 (No.HC034<Rev.001>)
SECTION 5

TROUBLE SHOOTING

Displayed content
SPL V
When power up
--- Holding [DISPLAY] button
Activation method
[FOCUS ASSIST]
+ [MENU] + [USER 3] + [MENU]
YES N/A
N/A YES
N/A YES
N/A N/A
N/A N/A
N/A N/A
N/A N/A
N/A N/A
5.1.2.2 ADVANCED MENU Display (Service menu 1)
(1) While holding down the [DISPLAY] button, turn ON the
power.
(2) While holding down the [FOCUS ASSIST] button, press the
[MENU] button to display the ADVANCED MENU.
--- ADVANCED MENU ---
VERSION CHECK..
ADVANCED FUNCTION..
EXIT
5.1.2.3 SERVICE MENU Display (Service menu 2)
(1) While holding down the [DISPLAY] button, turn ON the
power.
(2) While holding down the [FOCUS ASSIST] button and the
[USER 3] button, press the [MENU] button to display the
SERVICE MENU.
--- SERVICE MENU ---
ADVANCED FUNCTION..
SERVICE FUNCTION..
DIP SW..
HOUR METER..
ERROR HISTORY..
OTHERS..
EXIT
[FOCUS ASSIST]
N/A
N/A
YES
YES
YES
YES
YES
YES