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8. Ver ify re cep tion. With the trans mit ter and re --
ceiver on and match ing Group and Chan nel, the
main re ceiver dis play should be in di cat ing a RF
sig nal on the bar graph. Speak into the mi cro --
phone and the Au dio Me ter bar graph should in --
di cate au dio sig nal pres ence. If the level me ters
do not show re cep tion, make sure the chan nels
are match ing and re fer to the trou ble shoot ing
sec tion.
9. Ad just ment of the trans mit ter au dio gain - If
nec es sary The trans mit ter au dio gain is fac tory
set at the mid dle of the range, which should be
suit able for most ap pli ca tions. For loud or soft
speak ers/sing ers, a gain ad just ment may be nec --
es sary. Have the speaker or singer use the mi --
cro phone in a nor mal per for mance level voice.
The Au dio Me ter in the main re ceiver dis play
screen should show peaks around the -3dB
level. If the me ter peaks all the way to the right
or well be low the -3dB level, ad just the trans --
mit ter au dio gain.
Bodypack Trans mit ter - WT-500
Fig ure 7
Bodypack Trans mit ter
WT-500 Controls, Con nec tors,
and In di ca tors
To ad just the trans mit ter gain, gently in sert the
pro vided screw driver (or other 3/32 - 2.5 mm
screw driver) into the ad just ment hole above the
dis play screen. Turn lightly un til the screw --
driver tip goes into the ad just ment level con trol
Gently turn coun ter clock wise un til the con trol
stops (the mi cro phone out put is at min i mum but
not off). Slowly turn the gain con trol up (clock --
wise) while speak ing/sing ing into the mi cro --
phone and au di om e ter shows peaks around -3
dB.
NOTE: Op er at ing with the trans mit ter au dio
gain set as high as pos si ble (with out dis tor tion
or peaks all the way to the right end of the me --
ter) will re sult in the best per for mance and high --
est sig nal to noise ra tio.
10.
Test Per for mance. Go back to Sec tion 3. Re --
ceiver Setup and Op er a tion - Step 9 to com plete
sys tem set up and test.
Fig ure 8
Con trol View
Fig ure 9
Top View
-6-
SETSET
6
9
5
4
2
3
755050755050
GPGP CHCH
1
8
5
755050755050
GPGP CHCH
TelexTelex
RR
UHFUHF
WIRELESSWIRELESS
1.
An tenna - flex i ble 1/4 wave an tenna
2.
Power On/Off Switch
3.
Bat tery Low LED In di ca tor
4.
TA4 Au dio Con nec tor
5.
LCD Dis play (Chan nel, Fre quency or
Bat tery Level In di ca tion)
6.
Dis play Con trol But tons (Set/Up/Down)
7.
Belt Clip (Re mov able, not shown)
8.
9V Bat tery Compartment
9.
Au dio Gain Adjustment