18 Volume control for the earphones combined with
an on-off switch; when the control locks into place
at the left stop, the receiver will be switched off
19 Balance control for adjusting the volume ratio be -
tween the left and right channels in stereo opera-
tion or between the signal at the input CH. 1 (14)
and the one at the input CH. 2 (15) in mix/mono
operation
20 Plug for connecting the earphones to the corre-
sponding jack (24)
21 Button + for selecting a menu item, for switching
over a function, or for increasing a value in the
adjusting menu; when the button is kept pressed,
the value will increase continuously
22 Button - for selecting a menu item, for switching
over a function, or for decreasing a value in the
adjusting menu; when the button is kept pressed,
the value will decrease continuously
23 LC display (¡ chapter 1.3)
24 3.5 mm stereo jack for connecting the earphones
supplied
25 Belt clip
26 Button SET for calling the adjusting menu, for con-
firming the menu item selected, and for confirming
the adjustments made
27 Unlatching device for the battery compartment; for
unlatching, see fig. 6 page 37 and compare chap-
ter 4.3
28 Earphone for the left ear
29 Earphone for the right ear
1.3 Display on the receiver (fig. 4)
a Reception indication; the number of the vertical
lines next to the antenna symbol will indicate the
power of the signal received: the more lines the
better the reception. If no line is shown, the trans-
mitter is switched off or set to a different frequency.
b Key symbol; will be indicated when the lock func-
tion is activated
c Charging status for the batteries:
¡
¡
fully charged
d Operating mode indication:
MONO:
both channels can be heard with both
ears; the balance control (19) will define
the mixing ratio of the two signals
STEREO: each ear will only hear the signal of its
channel; the balance control will define
the volume ratio between the two ears
e Indication of the channel group A, B, C, or D se-
lect ed
f Indication HF when the high frequencies boost is
selected
¡
exhausted
g Indication LIM when the limiter is activated
h Indication MUTE when the receiver mutes the
audio signal (e. g. when switching over the fre-
quency or when the signal received is too poor)
i Indication of the channel number 1 – 16 selected
from the preset channel group (e)
j Indication of the received frequency
1.4 Display on the transmitter (fig. 5)
k Indication of the menu items in the adjusting menu;
the corresponding menu item will flash when it is
selected
l Operating mode indication:
MONO: the input signals of the two channels are
mixed and sent as a mono signal
ST:
the input signals of the two channels are
separately sent as a stereo signal
m Indication ATT -10dB when the input attenuation is
switched on
n Level control indication for the signals of the left "L"
and right "R" input; the stronger the signal, the
more segments the corresponding bar graph will
show. When "PEAK" is displayed on the right of a
bar graph, the corresponding channel is overload -
ed: Reduce the input level with the VOLUME con-
trol (6) accordingly or switch on the input attenua-
tion. (¡ chapter 5.1)
o Indication LOCK when the lock function is activat -
ed
p Indication MUTE when the transmitter mutes the
audio signal e. g. for a few seconds when changing
the transmission frequency
q Indication of the channel group A – D selected
r Indication of the channel number 1 – 16 selected
from the channel group (q) indicated
s Indication of the transmission frequency
2 Safety Notes
The units (transmitter, receiver) correspond to all
required directives of the EU and are therefore marked
with
.
WARNING The transmitter SIEM-111T is supplied
with hazardous mains voltage. Leave
servicing to skilled personnel only. Inex-
pert handling may cause an electric
shock hazard.
Please observe the following items in any case:
G
The units are suitable for indoor use only.
G
Protect the units against dripping water and splash
water, high air humidity, and heat (admissible
ambient temperature range 0 – 40 °C).
®
13