JVC LT-37DV1BJ Instructions Manual page 48

What is "Eco Mode"?
You can adjust this TV so that the screen automatically adjusts to the
optimum contrast of light and dark according to the brightness of your room.
This function reduces eyestrain and the power consumption of this TV.
Set "Eco Mode" "Eco Mode" (P. 35)
 Æ
Make sure not to block the Eco Sensor on front of the TV (P. 5)

To fully reduce eyestrain and the power consumption of this TV. Set to

the following functions.
Eco Mode: On or Demo (P. 35)
Smart Picture: On (P. 31)
Using "Demo" in "Eco Mode", you can display the effect of the "Eco Mode"

on the screen
Eco Mode
Dark Light
What is "HDMI CEC"?
HDMI CEC (Consumer Electronics Control) allows the TV to connect and
control multiple HDMI CEC enabled devices with a single remote. CEC
(Consumer Electronics Control) is an optional protocol used in HDMI.
HDMI CEC on this TV is compliant with "High-Definition Multimedia

Interface Specification".
The TV does not support HDMI CEC functions that are not listed below.

The TV does not guarantee to support use of all HDMI CEC enabled

devices.
Devices that are not enabled to HDMI CEC cannot be controlled with this

TV.
Control the TV using the HDMI CEC enabled device

Turn the TV on and switch to the video source of the operating device.

Switch to the video source of the operating device.

Control the HDMI CEC enabled device using the TV

Turn off the operating device by turning off the TV.

* Some device may not support this function. For more details refer to the
device's manual.
Send status of the TV to the HDMI CEC enabled device

When switching the TV's external input or channel.

When switching the TV's menu language.

* Information regarding behaviour of the device when status is received,
refer to the external device's manual.
Turning On / Off HDMI CEC:
Set HDMI CEC "Control with HDMI" (P. 27)
 Æ
* Factory default setting is "On".
If "HDMI CEC" does not work correctly:
When HDMI CEC enabled device is connected to EXT-1 or EXT-2 with

SCART cable and EXT-4, EXT-5, EXT-6 with HDMI cable, you may not
be able to control TV's external input. To solve the problem set "HDMI
CEC" to "Off".
When displaying the "Photo Viewer", the connected HDMI CEC enabled

device will not operate correctly.
Technical information