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Beltpack Op er a tion
On/Off and Vol ume Con trol
Turn the beltpack power on by ro tat ing the knob CW. Ad just
the vol ume to the head set by ro tat ing the vol ume con trol as re --
quired for a com fort able lis ten ing vol ume.
Bat tery Check
When the beltpack power is turned on by ro tat ing the knob,
the BAT/OM LED will flash once if the bat tery is good. If the
LED stays on, the bat tery is low. If the LED does not flash,
the bat tery is dead.
Talk But ton
Press the talk but ton to en able the au dio path from the head set
mi cro phone. The TALK/OM LED will turn red when au dio is
en abled. A quick press and re lease latches the talk func tion
un less latch ing has been disabled. Holding the but ton for over
½ a sec ond will cause the au dio path to be en abled only for as
long as the but ton is held. If the talk func tion is latched on,
press ing the talk but ton again will turn it off. See the “Talk
But ton Latching/Non-Latching” instructions in Sec tion 7 to
learn how to en able/dis able latch ing of the talk but ton.
Mi cro phone Gain
Ad justs the head set’s mi cro phone gain. Ad just so the TALK/OM
LED flashes red at the be gin ning of most words at nor mal speech
lev els. If the in put is too large, the LED will be red dur ing the
com plete word at nor mal speech level. The peak-responding au --
dio lim iter in the beltpack is very tol er ant of high in put au dio lev --
els. Even when the mi cro phone gain is max i mized, and head set
vol ume re duced to make up for the louder au dio, the au dio will
still sound good and not clipped.
Au dio Chan nel Se lect But ton
Se lects the in ter com sys tem to which the head set is con nected.
The LED near the chan nel but ton in di cates the cur rent se lec --
tion. See the “Au dio Chan nel A/B En able/Dis able” in struc --
tions in Sec tion 7 to learn how to en able only chan nel A,
chan nel B, or both.
Stage An nounce (SA)
When pressed the au dio from the beltpack is routed di rectly to
the stage an nounce con nec tor on the back of the base sta tion.
The base sta tion’s SA re lay is also closed. The beltpack
sidetone is lost as an in di ca tion that stage an nounce is ac ti --
vated. The other beltpacks and wired us ers do not hear this
beltpacks au dio when SA is pressed. The but ton is
non-latching and ac tivates the nearby red LED when pressed.
See the “Stage An nounce En able/Dis able” instructions in Sec --
tion 7 to learn how to en able/dis able the SA but ton.
Wire less Talk Around (WTA)
When pressed, the au dio from the beltpack is dis con nected
from the wired in ter com, aux il iary in put/out put and the base
sta tion’s lo cal head set. Other beltpack us ers, on that au dio
chan nel, can hear the user as nor mal. The but ton ac tivates the
nearby red LED as well as the ap pro pri ate talk LED when
pressed. See the “Wire less Talk Around En able/Dis able” in --
struc tions in Sec tion 7 to learn how to en able/dis able the WTA
but ton as well as other fea tures.
7-11
VOL
OFF
SA
WTA
Telex
R
A B
CHANNEL
BAT/OM TALK
TALK
MENU
SET
MIC
P
T
T
X
P
T
TAL
K
WIRELESS
TALK AROUND (WTA)
STAGE ANNOUNCE
(SA)
AUDIO CHANNEL
SELECT BUTTON
TALK
BUTTON
MICROPHONE
GAIN
BATTERY CHECK
TR-800
VOL
OFF
SA
WTA
Telex
R
TALK
VOL
OFF
TALK
A B
BAT/OM
WIRELESS TALK AROUND (WTA)
ON/OFF and
VOLUME
CONTROL
ON/OFF and
VOLUME
CONTROL
STAGE ANNOUNCE (SA)
TALK
BUTTON
TALK
BUTTON
BATTERY CHECK
TR-825
ON/OFF and
VOLUME
CONTROL
Fig ure 32
TR-800 and TR-825 Top and Rear Panel