Sony MZ-R55 Service Manual page 99

2. To perform automatic adjustment for an adjustment item with
the mode number 030 to 047, press P key.
If the result of adjustment is OK, the adjustment value changes
from flashing to steady on and it is automatically written to
EEPROM.
AUTO ADJ
32 OF
Adjustment value
(flashing to steady on)
3. To perform manual adjustment, change the adjustment value with
key, and press P key to write it to
VOLUME + or –
EEPROM.
Note) Normally, automatic adjustment should be performed. Do
not execute manual adjustment.
• System Gain Mode
1. This mode allows the system gain to be freely adjusted. Press
DISPLAY key to enter this mode.
SYS_GAIN
32 OF
Adjustment value (flashing)
2. Increase or decrease the adjustment value with VOLUME + or
– key.
3. Press DISPLAY or p key to return to the normal mode.
4. For the error rate display enabled:
Normal Mode
Error rate display
System gain Mode
Cluster value
AT error rate
BLOCK error rate
000 4F FF
39 OA
Adjustment value (flashing)
Mode No. (lower two digits)
Note) In normal service, do not adjust the system gain mode.
Press DISPLAY key
(2) Audio Mode
• How to Transfer in the Audio Mode
Mode No. Test Description
100 Audio mode
110 Audio playback
111 L/R=1 kHz 0 dB
112 L=1 kHz 0 dB
113 R=1 kHz 0 dB
L/R – ∞ dB
114
120 Audio recording test
121 LINE manual recording
*1) MIC manual recording
122 DEMP LINE manual recording
*1) DEMP MIC manual recording
123 LINE automatic recording
*1) OPT automatic recording
MIC automatic recording
124 DEMP LINE automatic recording
*1) DEMP OPT automatic recording
DEMP MIC automatic recording
130 DIGITAL AGC ADJ1
131 MIC UP SR
132 MIC DOWN SR
133 MIC THD0
134 MIC GAIN
135 MIC ATTACK
136 MIC RECOVER
137 MIC THD2
138 MIC GAIN2
139 MIC RTIME
140 DIGITAL AGC ADJ2
141 LINE UP SR
142 LINE DOWN SR
143 LINE THD0
144 LINE GAIN
145 LINE ATTACK
146 LINE RECOVER
147 LINE THD2
148 LINE GAIN2
149 LINE RTIME
150 DIGITAL AGC ADJ3
151 MAN UP SR
152 MAN DOWN SR
153 AUTO THD3
154 AUTO LMT UP SR
155 AUTO LMT DOWN SR
156 MAN THD3
157 MANU LMT UP SR
158 MANU LMT DOWN SR
159 THD1
*1) The port is detected and the input is automatically selected.
Contents changed : Contents to be changed when VOLUME
Write
1. Go into the test mode.
2. Press + key or VOLUME + key and VOLUME + key in
this turn to set the audio mode.
– 13 –
Write
Playback VOL
Playback VOL
Playback VOL
Playback VOL
Recording VOL HP output
Recording VOL HP output
HP VOL
HP VOL
® (30)
® (FA)
® (D0)
® (00)
® (A0)
® (F8)
® (F0)
® (D0)
® (01)
® (17)
® (FF)
® (D0)
® (0C)
® (33)
® (F8)
® (E4)
® (5F)
® (04)
® (C0)
® (40)
® (51)
® (FF)
® (E0)
® (51)
® (FF)
® (A0)
® (1A)
+ or – key is pressed.
: Mode to permit adjustment
(Default value given in parentheses)
Change
Description
HP output
HP output
HP output
HP output
HP output
HP output