Speaker Setting; Display Mode Switching; Switching Full Screen Display - Kenwood Z-638 Instruction Manual

Adjustment Item Display
Bass Center Frequency "Bass FRQ"
Bass level "Bass"
Bass Q Factor "Bass Q"
Bass Extend "Bass EXT"
Middle Center Frequency "MID FRQ"
Middle level "MID"
Middle Q Factor "Middle Q"
Treble Center Frequency "TRE FRQ"
kHz
Treble level "TRE"
Balance "Balance"
Fader "Fader"
Volume offset "Volume Offset" –8 — ±0
• According to the Bass Q Factor setting value, the frequencies that
can be set in Bass Center Frequency change as shown below.
Bass Q Factor
1.00/1.25/1.50
2.00
• When the Bass Extend is set to ON, low frequency response is
extended by 20%.
• Volume offset: Each source's volume can be set as a difference
from the basic volume.
5
Exit Audio Control mode
Press the [AUD] button.

Speaker Setting

Fine-tuning so that the System Q value is optimal when setting
the speaker type.
1
Enter Standby
Press the [SRC] button.
Select the "ALL OFF" display.
Range
60/70/80/100 or
150 Hz
–8 — +8
1.00/1.25/1.50/2.00
ON/OFF
0.5/1.0/1.5/2.0 kHz
–8 — +8
1.0/2.0
10.0/12.5/15.0/17.5
–8 — +8
Left 15 — Right 15
Rear 15 — Front 15
Bass Center Frequency
60/70/80/100
60/70/80/150
2
Enter Speaker Setting mode
Press the [Q] button.
"Speaker Setting" is displayed.
3
Select the Speaker type
Press the [4] or [¢] button.
Each time the button is pressed the setting switches as shown
below.
Speaker type
OFF
For 5 & 4 in. speaker
For 6 & 6x9 in. speaker
For the OEM speaker
4
Exit Speaker Setting mode
Press the [Q] button.

Display Mode Switching

Switching the display mode.
Press the [DISP] button.
Each time the button is pressed the Display mode switches as
shown below.
Display mode
Upper and lower division display type
Type that mainly uses the display upper part "Display Type B"
Full screen display type
• The display of each part can be changed.
- Switching Upper and Lower Part Display: (page 10)
- Switching Full Screen Display: (page 10)
• "Display Type C" can't be selected in "ALL OFF".
— 9 —
Display
"OFF"
"5/4 inch"
"6 9/6 inch"
*
"O.E.M."
Display
"Display Type A"
"Display Type C"