38
2.
SDM 569 / SEM 581 Handheld Transmitters
2.1
Controls and Indicators
1
Microphone head (fixed)
2
Battery compartment (Frequency table)
3
SDM 569 or SEM 581 type description
4
Sensitivity switch (3 stages)
5
Channel selector control (16 frequencies)
6
ON/OFF-switch
7
LED power indicator (green)
GE
RMANY
P O WE R
I
0
3
4
5
1
3
5
7
9
13
15
Ch
11
1
2
3
1
3
5
7
9
13
15
SEM 581
Ch
11
1
2
3
SEM 581
9V
+
-
1
2
6
7
