Adjusting The Sensitivity; Mute Function - Monacor International JTS MH-8990 Mode D'emploi

5.2 Adjusting the transmission frequency
1) Keep the key SET (6) pressed for 2 s until either the
indication "MHz" or the group indication , , or
starts flashing on the display. If the group indication
starts flashing, shortly actuate the key SET twice
again to go to the frequency adjusting mode.
Note: To exit the adjusting mode without making an
adjustment, press the key SET so many times
until the display shows
will then return to normal operation.
2) Use the cursor keys to adjust the frequency: Each
time the key
decreased by 25 kHz; each time the key
pressed, it will be increased by 25 kHz. To scan a
wide frequency range, keep the corresponding key
pressed.
Note: If several wireless transmission systems are
operated at the same time, the radio frequencies
of the individual systems should be carefully
matched to each other to prevent interference.
Examples for frequencies for simultaneous op -
eration of several systems can be found in the
Internet on www.jts-germany.de under "Informa-
tionen/Intermodulationsfreies Frequenzsetup".
3) To memorize the adjustment, press the key SET.
The display will shortly indicate
mode will be exited and the microphone will go to
normal operation.

5.3 Adjusting the sensitivity

1) Keep the key SET (6) pressed for 2 s, then shortly
press the key SET another three times so that the
display will indicate the current sensitivity (0 dB,
-6 dB, -12 dB, or -24 dB).
Note: To exit the adjusting mode without making an
adjustment, press the key SET so many times
until the display shows
will then return to normal operation.
2) Adjust the sensitivity according to the indication AF
on the display of the receiver in such a way to
obtain an optimum volume level of the microphone.
If the volume is too high, the microphone will distort;
in this case, adjust a lower value with the key
If the volume is too low, there will be a poor signal-
noise ratio; in this case, adjust a higher value with
the key (5).
3) To memorize the adjustment, press the key SET.
The display will shortly indicate
mode will be exited and the microphone will go to
normal operation.
10
. The microphone
(4) is pressed, the frequency will be
, the adjusting
. The microphone
, the adjusting
5.4 Locking/Unlocking the microphone
With the microphone locked, it is not possible
a to switch off the microphone; if the POWER switch
(9) is set to OFF with the microphone locked, the
display will show
b to call the adjusting modes for group/channel, fre-
quency, and sensitivity.
5.4.1 Activating the locking function
1) Keep the key SET (6) pressed for 2 s, then shortly
press the key SET another four times so that the
indication
(5) is
on the display.
2) Press the key
display.
3) To memorize the adjustment, press the key SET.
The display will shortly indicate
mode will be exited and the microphone will go to
normal operation.
5.4.2 Deactivating the locking function
1) The POWER switch (9) must be set to POWER.
2) Keep the key SET (6) pressed for 3 s until
starts flashing on the display.
3) Press the key
display.
4) To memorize the adjustment, press the key SET.
The display will shortly indicate
mode will be exited and the microphone will go to
normal operation.

5.5 Mute function

The mute function serves for short muting of the signal
transmission ("throat clearing mode" or "enquiry mode")
with subsequent immediate readiness for op eration
without delay.
1) Set the MUTE switch (11) at the lower end of the
microphone to the position MUTE. If required, slide
the safety cap (10) upwards beforehand.
(4). 2) To continue the signal transmission, set the MUTE
switch to the position OFF.
Note: In the switch position MUTE, there will be no
speech transmission; however, the microphone
will still be in the transmission mode and con-
sume power. Therefore, always switch off the
microphone with the POWER switch (9) [posi-
tion OFF] for longer interruptions.
.
(lock deactivated) starts flashing
(5): starts flashing on the
, the adjusting
(4): starts flashing on the
, the adjusting