VDO Dayton CD 2537 U ユーザーズマニュアル

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Eng

lish

This headunit was designed to interface with dif-

ferent types of hands-free kits that provide tel-

ephone mute cables. Please read the instruction 

manual of your hands-free kit on its mute logic 

level (either mute-high or mute-low).

Navigate the SAM to select ‘TEL MUTE’.

Turn the knob clockwise / anti-clockwise 

to toggle the logic level according to your 

hands-free kit type.

Note: In the case that your headunit always 

remains in ‘TEL MUTE’ mode, that is, sound 

is muted, you can try to reverse the logic level 

(e.g. from ‘TELM HI’ to ‘TELM LO’). If this still 

does not work, perhaps your hands-free kit is 

not compatible with this headunit and it is best to 

turn the ‘TEL MUTE’ function to ‘TELM OFF’.

This headunit comes with two levels of bright-

ness level. To adjust the brightness:

Navigate the SAM to select ‘BRIGHTNESS’.

Turn the knob clockwise / anti-clockwise to 

select the brightness level.

To allow best integration into your car dash-

board, the headunit comes with three types 

of colours scheme, namely Orange, Green or 

Mixed of Orange and Green. To change the 

illumination colour:

Navigate the SAM to select ‘COLOR’.

Turn the knob clockwise / anti-clockwise to 

select the colour scheme.

The blinking security LED can deter potential 

theft of your headunit, even after your front panel 

is removed. However, if you wish to save your 

battery life, you can turn off this LED.

Navigate the SAM to select ‘LED’.

Turn the knob clockwise / anti-clockwise to 

turn on or off the blinking LED.

To compensate for surrounding noise, this func-

tion automatically increases the volume of the 

headunit with respect to the car’s speed. There 

are two compensation levels selectable from the 

SAM. Level 1 gives a smaller increase (in vol-

ume) and level 2 gives a higher increase.

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While the car is stationary, press-and-hold 

both 

PWR

MUTE

 and 

SOUND

 buttons at the same time.

The headunit will mute and show “RE-CALIB” 

and “50 KM/H” alternatively.

Within 30 seconds, drive your car to 50 km/h 

(about 30 mph).

Important note: Always obey the Highway Code 

and the current traffic restrictions and conditions!
4.  Once the speed is reached, short-press the 

SAM

AST

 button and you will hear a beep and the 

display will show “CALIB OK”.

5.  Turn off and then turn on your headunit again 

and level 1 of the SDVC is automatically 

selected.

Note: This headunit’s SDVC works on frequen-

cy-based signal (PCM) rather than on width-

based signal (PWM). Some vehicles come with 

PWM signals and are therefore not compatible 

with this SDVC function.

This headunit is specially designed with a pro-

grammable Steering Wheel Remote Control 

(SWRC) to suit your car built-in SWRC as much 

as possible.
Important note: This function supports SWRCs 

that are based on analogue RC3-standard 

only. Other SWRCs, especially those based on 

CAN-bus, are not supported. For these SWRCs, 

please consult your dealer for a suitable con-

verter, if available.

While the car is stationary, press-and-hold 

both 

PWR

MUTE

 and 

SOURCE

 buttons at the same time.

The headunit will mute and show “PROG 

SWRC” for one second.

After that, the headunit will prompt you the 

first programmable function, that is, “VOL-

UME-”.

Rotate the volume knob clockwise or anti-

clockwise to navigate through the functions.

Match a suitable SWRC buttons (e.g. “VOL-” 

or “-”) with the one of the pre-defined func-

tions that is displayed (e.g. “VOLUME-”) 

by pressing and holding the corresponding 

SWRC button for more than 2 secs.

If the headunit recognizes the input as stable, 

it will capture the key-press input, give a con-

firmation beep, and will show “PROG OK”.

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