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2.5.3 Sensitivity Setting
During the screen in operation menu, press / key to make
the“SENSIT”indicator blink, then press “SET”key to enter the
sensitivity setting mode.
If the preset sensitivity is too high and the
input signal to the
transmitter is too strong , the modulated audio will be caused to
be so strong that the FM modulationindicator flashes with full
segments and the green audio (voice level)modulation indicator
(AFPEAK) ⑥will turn on. The sensitivity
can be lowered
properly by pressing key at this time
.If the preset sensitivity is too
low, the modulated audio is so weak that the surrounding noise
will be
picked up and the audio input quality
will
be
affected. At
this time, you may press key toenhance the
sensitivity properly.
At
last,
press“SET”key to
save the current selected sensitivity and
return to the operation menu or press“ESC”key to give up the
present selection and return to the operation menu.
When the normal speech voice or audio source input is ideally
set, the FM modulation indicator will flash with 3 to 5 segments,
and the green audio(voice level) modulation indicator will turn
off.
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In order to gain the optimal received quality, please set
the transmitter`s sensitivity according to the real
needs！！The sensitivity setting reference is shown as
follow:
External audio source input：
sensitivity is set at -30 —— -20 dBm
Microphone input：
sensitivity is set at -10 —— 0 dBm
2.5.4 User-selectable Frequency Setting
During the screen in operation menu, press / key to make
the“MHz”indicator blink, then press“SET”key to enter the user-
selectable frequency setting mode and the last set frequency value is
shown on the display.
Press / key to re-select your desired frequency ranging from
854MHz to 865MHz. The frequency will drop by 0.1MHz
（100KHz）for each pressing of key, and
increase by 0.1MHz
（100KHz）for each pressing
of key. If press and hold or key,
the frequency will decrease or increase continuously.
Press“SET”key to save the current selected frequency and return to
the operation menu or press “ESC”key to give up the present
operation and return to the operation menu. If the screen returns to
the standard display after the user-selectable frequency mode is
enabled, the LCD display will not show the channel, but the user-
selected frequency value will be shown.If the user set the channel
after having enabled user-selectable frequency mode, the user-
selectable frequency mode will be disabled automatically.
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2.5.5 Lock Mode Setting
During the screen in operation menu,press / key to make
the“ ”indicator blink, then press “SET”key to enter the
lock mode. If the display shows“ON”, it indicates the transmitter
is in lock mode now; if the display shows“OFF”, it indicates
that the lock mode is disabled.
Pressing / key can switch between“ON”and“OFF”. Press
“SET”key when the display shows“OFF”to disable the lock
mode and return to the operation menu. When the display shows
“ON”,press “SET” key to enable the lock mode and return to
the operation menu ,at this time press “ESC” key can return
to the standard display and the “ ” icon is shown on the
display,meanwhile,the / becomes invalid,but the “ESC” key
and “SET” key can still be used effectively.
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