Sony HT-Z9F Manuel D'instructions page 77

 Replace both batteries in the remote
control with new ones, if they are
weak.
 Make sure you are pressing the
correct button on the remote control.
TV remote control does not work.
 This problem might be solved by
enabling the IR repeater function
(page 34).
Others
The Control for HDMI function does
not work properly.
 Check the connection with the
system (refer to the supplied Startup
Guide).
 Enable the Control for HDMI function
on the TV. For details, refer to the
operating instructions of your TV.
 Wait a while, and then try again. If
you unplug the system, it will take a
while before operations can be made.
Wait for 15 seconds or longer, and
then try again.
 Make sure the devices connected to
the system support the Control for
HDMI function.
 Enable the Control for HDMI function
on the devices connected to the
system. For details, refer to the
operating instructions of your device.
 The type and number of devices that
can be controlled by the Control for
HDMI function is restricted by the
HDMI CEC standard as follows:
– Recording devices (Blu-ray Disc
recorder, DVD recorder, etc.): up to
3 devices
– Playback devices (Blu-ray Disc
player, DVD player, etc.): up to 3
devices (this system uses one of
them)
– Tuner-related devices: up to 4
devices
– Audio system (receiver/
headphones): up to 1 device (used
by this system)
"PRTCT" flashes in the front panel
display and the system is turned
off.
 Disconnect the AC power cord (mains
lead) and make sure nothing is
obstructing the ventilation holes of
the system.
"PRTCT," "PUSH," speaker name
("SUB," "SUR L," or "SUR R"), and
"POWER" flash alternately in the
front panel display.
 Press  (power) on the
corresponding speaker ("SUB":
subwoofer, "SUR L": left rear speaker,
"SUR R": right rear speaker) to turn
off. For the subwoofer, disconnect
the AC power cord (mains lead) and
make sure nothing is obstructing the
ventilation holes of the subwoofer,
then restart the system. For the rear
speaker, disconnect the AC power
cord (mains lead), then restart the
system. If they are reconnected
properly, the display in the front
panel display returns to the normal
display.
"BT TX" appears in the front panel
display.
 Set [Bluetooth Mode] to [Receiver].
"BT TX" appears if [Bluetooth Mode] is
set to [Transmitter] (page 65).
Sensors of the TV do not work
properly.
 The main unit may block some
sensors (such as the brightness
sensor), the remote control receiver
of your TV or the emitter for 3D
glasses (infrared transmission) of a 3D
TV that supports the infrared 3D glass
system, or wireless communication.
Move the main unit away from the TV
within a range that allow those parts
to operate properly. For the locations
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