SI82.60-P-0004GH | Service Information: Improve sound quality in AM range | 3.10.02 |
MODELS 163.154 /174 #A as of 289565,
163.157 /175 with CODE (522) Modular control system (MCS) radio USA
Improvement to the sound quality in the AM range (especially in terms of hearing voices) can be achieved by the customer by carrying out the following adjustments:
Saved under the ADJ menu in the AM range
Set treble to "-7"
Set fixed settings to "Language" (only with code 810)
These adjustments must be carried out again after a blackout.