reset lexus LS400 1994 Engine / 1994 LS400: AIR CONDITIONING AND AUDIO

AIR CONDITIONING AND AUDIO
“PWR. VOL” knob
(For turning radio on
and adjusting volume)
“AM” button
(For turning radio on
and selecting AM)
“FM1” button
(For turning radio on
and selecting FM)
“FM2” button
(For turning radio on
and selecting FM)
Radio display
Station selector
buttons (1-6)
“FADER” knob
(For front and rear
sound balance)
“BALANCE” knob
(For right and left
sound balance)
“TREBLE” knob
(For treble control)
“MID” knob
(For mid range control)
“BASS” knob
(For bass control)
“SCAN” button
(For preset scan tuning
and scan tuning)
“TUNE SEEK” button
(For frequency tuning)
Without compact disc player
95
Radio operation

AIR CONDITIONING AND AUDIO
With compact disc player
“PWR. VOL” knob
(For turning radio on
and adjusting volume)
“AM” button
(For turning radio on
and selecting AM)
“FM 1/2” button
(For turning radio on
and selecting FM)
Radio display
Station selector
buttons (1-6)
“FADER” knob
(For front and rear
sound balance)
“BALANCE” knob
(For right and left
sound balance)
“TREBLE” knob
(For treble control)
“MID” knob
(For mid range control)
“BASS” knob
(For bass control)
“TUNE SEEK” button
(For frequency tuning)
“SCAN” button
(For preset scan tuning
and scan tuning)
96

AIR CONDITIONING AND AUDIO
97
(a) Listening to the radio
1. Push the (AM), (FM1) or (FM2) button to
turn the radio on and to select either an AM or FM broadcast
(without compact disc player).
2. Push the
(AM) or (FM1 / 2) button to turn the radio
on and select either an AM or FM broadcast (with compact disc
player).
“AM”, “FM1” or “FM2” will appear on the display.
The radio can also be turned on by pushing the “PWR.VOL”
knob if the radio had been on when the system was turned off.
3. Turn the “PWR.VOL” knob to adjust the volume.
4. Tune in the desired station. (See “(b) Selecting a station”.)
The radio will change automatically to stereo reception when
an FM stereo broadcast is being received. At the same time,
“ST” will appear on the display. When the receiving signal gets
weak, the channel separation will automatically be reduced for
lowest noise. If the signal becomes extremely weak, the radio
will switch over to monaural reception.
5. Adjust the tone and sound balance. (See “(d) Adjusting the
tone” and “(e) Adjusting the sound balance”.)
6. To turn the radio off, push the “PWR.VOL” knob.
(b) Selecting a station
Tune in the desired station using one of the following methods.
The frequency will appear on the display.Preset tuning: Use for tuning-in to a desired preset station.
Push the station selector button to which the desired station
has been preset. The radio will tune in to the station and the
button number will appear on the display. (See “(c) Presetting
a station”.)
Seek tuning: Use for automatic station search and stop.
Push the
(SEEK) button and hold it until a beep is heard. The
radio will begin seeking up or down for a station of the nearest
frequency and will stop on reception. Each time you push the
button, stations will be searched out one after another.
Scan tuning: Use for scanning preset station channels or
station-to-station scanning.
Push the
(SCAN) button for less than 2 seconds. With “P.
SCAN” blinking on the display, the radio will automatically seek
out a preset station of a higher channel number in the AM / FM
mode. If there is a preset station on the channel, then the tuning
is held for 5 seconds. If there is no station on the channel, then
the tuning is only held for 1 second. If the
(SCAN) button
is pushed while listening to a preset station channel, then the
scan proceeds to the next highest channel, proceeding in turn
through the 6 channels of FM1 and then the 6 channels of FM2,
then repeating the process. To continue listening to the
channel of your choice, simply push the
(SCAN) button
once again.

AIR CONDITIONING AND AUDIO
98Push the
(SCAN) button for longer than 2 seconds. With
“SCAN” on the display, the radio will automatically seek out a
station of higher frequency, hold it for 5 seconds and scan to
the next. To continue listening to the broadcast of your choice,
simply push the
(SCAN) button once again.
Manual tuning: Push the
(TUNE) button within 0.5 second.
Each time you push the button, the radio will step up or down
to another frequency where stations could exist.
(c) Presetting a station
1. Tune in the desired station. (See “(b) Selecting a station”.)
2. Push one of the station selector buttons and hold it until a
beep is heard. This sets the station to the button and the button
number will appear on the display.
Each button can store one AM station and two FM stations. To
change the preset station to a different one, follow the same
procedure.
The preset station will be cancelled when the power source is
severed (battery disconnected, burnt fuse, etc.).
(d) Adjusting the tone
To adjust the low-pitched tone, push the “BASS” knob (if
depressed) and turn it.
To adjust the middle-pitched tone, push the “MID” knob (if
depressed) and turn it,
To adjust the high-pitched tone, push the “TREBLE” knob (if
depressed) and turn it.
(e) Adjusting the sound balance
To balance the sound between the right and left speakers,
push the “BALANCE” knob (if depressed) and turn it.
To balance the sound between the front and rear speakers,
push the “FADER” knob (if depressed) and turn it.
Radio operating tips
The antenna automatically extends to full height when the
radio and ignition are turned on and retracts when either is
turned off.
CAUTION:
Before extending the antenna, confirm that no one is close
enough to get injured.
NOTICE:
To prevent damage to the antenna, make sure it is
retracted before running your vehicle through an
automatic car wash.

AIR CONDITIONING AND AUDIO
108(d) Selecting a program
Automatic program selection: Use for direct access to a
desired program.
Push either of the
(TRACK) buttons and hold it until
the desired program track number appears on the display. As
you release the button, the player will start playing the selected
program from the beginning.
Manual program selection:
Push the
(FF) button and hold it to fast forward the disc.
Releasing the button starts the play from that position.
Disc scan selection: Use for disc-to-disc scanning.
Push the
(SCAN) button. With “SCAN” on the display, the
program at the beginning of each disc will be played for 10
seconds. To continue listening to the program of your choice,
push the
(CD) button.
(e) Other compact disc player functions
“RPT” button: Use for automatic repeat of the program
currently being listened to.
Push the
(RPT) button while the program is being played.
As this is done, “RPT” will appear on the display. When the
program is finished, the disc will automatically go back to the
beginning of the program and the program will be played again.
To cancel it, push the button once again.“RAMDOM” button: Use for automatic program selection and
play by the system.
When the
(RANDOM) button is depressed. “RND”
appears on the display and the system selects a program in the
disc which is set and plays it. To cancel it, push the button once
again.
When a program is skipped or the system is inoperative, push
the
(CD) button to reset.
“CD CMP” button: Use for listening to music in noisy
situations.
Push the
(CD CMP) button and hold it until a beep is
heard. “CMP” appears on the display. Small sounds are
emphasized and large sounds muted slightly so that every
sound can be heard clearly.
This function works only in the “CD” mode. To cancel it, push
the button once again and hold it until a beep is heard.
(f) If the player malfunctions
If “WAIT” appears on the display, audio signals of the disc
cannot be read or the system has trouble. Push the
(CD)
button once again.
If the player does not operate, check that the disc surface is not
soiled or damaged. If the disc is O.K., the following two causes
are possible.

Condensation may have occurred on the internal
mechanism of the player.
Open the trunk to let air circulate.

AIR CONDITIONING AND AUDIO
111
Anti-theft system
To deter theft of your radio, the system is designed so that
the radio unit becomes inoperable if it is stolen from the
vehicle.
The system is not preset at the factory. You must input a
three-digit identification number decided by you.
NOTICE:
If you pushed any wrong buttons on the anti-theft
system, the following messages will appear on the
display.

“Err” −You have pushed wrong buttons.

“1-9” −Indicates the number of errors you have
made. You may make up to nine errors, but
no more!

“HELP”−The number of errors you can make was
exceeded. The audio system is completely
inoperable. Contact your Lexus dealer.
(a) Setting the anti-theft system
1. Make sure the radio unit is turned off with the ignition switch
in “ACC”.
2. While holding the (1) and (6) buttons in, push and
hold the “PWR.VOL” knob in until “SEC” appears on the
display.
Tape operation
indicator display
3. Press the (1) button while holding upper side of the (TUNE SEEK) button in. “− − −” and the tape operation
indicator will appear on the display.

AIR CONDITIONING AND AUDIO
11 4
Indicator light
NOTICE:
A tenth error will activate the anti-theft system and
“HELP” will appear on the display. The audio system will
be completely inoperable. At this time, the indicator light
also comes on. If this occurs, contact your Lexus dealer.
At the time of resale of your vehicle, cancel the system for the
new owner.(c) If the anti-theft system is activated
Error times (1-9)
The audio system made inoperable by the activated anti-theft
system will be operable if you give it the correct identification
number.
1. Follow steps 3 and 4 described in “(a) Setting the anti-theft
system”.
2. With your identification number appearing on the display,
press the (SCAN) button and hold it in until “SEC” appears
on the display, “SEC” will go off to indicate that the system is
reset and the audio system is operable. If invalid buttons have
been used. “Err” will appear on the display before “SEC”
appears. Try again from the beginning.
See “(b) Cancelling the anti-theft system” for notes on the
number displayed with “Err”.