MSP 3400C
PRELIMINARY DATA SHEET
7.1.17. Beeper
7.1.19. FM DC Notch
Beeper Volume
0014
H
FM DC Notch
0017
L
hex
hex
OFF
0000 0000
RESET
00
ON
0000 0000
Reset
00
hex
hex
Maximum Volume (full
digital scale FDS)
0111 1111
7F
OFF
0011 1111
3F
hex
hex
The DC compensation filter (FM DC Notch) for FM input
can be switched off. This is used to speed up the auto-
matic search function (see sector 6.4.3.). In normal FM-
mode, the FM DC Notch should be switched on.
Beeper Frequency
16 Hz (lowest)
1 kHz
0014
L
hex
0000 0001
0100 0000
1111 1111
01
40
hex
hex
4 kHz (highest)
FF
7.1.20. Mode Tone Control
hex
Mode Tone Control
00020
H
A squarewave beeper can be added to the loudspeaker
channel and the headphone channel. The addition point
is just before loudness and volume adjustment.
hex
Bass and Treble
0000 0000
RESET
00
hex
Equalizer
1111 1111
FF
hex
7.1.18. Identification Mode
By means of ‘Mode Tone Control’, Bass/Treble or Equal-
izer may be activated.
Identification Mode
0015
L
hex
Standard B/G (German
Stereo)
0000 0000
RESET
00
hex
hex
hex
Standard M (Korean
Stereo)
0000 0001
01
3F
Reset of Ident-Filter
0011 1111
To shorten the response time of the identification algo-
rithm after a program change between two FM-stereo
capable programs, the reset of ident-filter can be ap-
plied.
Sequence:
1. Program change
2. Reset ident-filter
3. Wait at least 1 msec.
4. Set identification mode back to standard B/G or M
5. Wait approx. 1 sec.
6. Read stereo detection register
38
MICRONAS INTERMETALL
MICRONAS [ MICRONAS ]
