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POWER
You should now be ready to turn the TR-300
"ON". Ro tate the OFF/ON Vol ume Con trol
Switch on the TR-300 clock wise to turn the
unit on.
BAT TERY CHECK
As you turn the unit on, note that the bat tery
LED (la beled bat/ovmod) should flash one
time on good bat ter ies. Low bat ter ies will
cause the LED to be il lu mi nated con tin u ously
and a bad bat tery will not cause any il lu mi na -
tion at all.
Fig ure 31
Low Bat tery andOvermodulation
In di ca tor LED
HEAD SET VOL UME
Af ter bat ter ies have been checked, ad just the
vol ume con trol by ro tat ing the con trol as re -
quired for com fort able lis ten ing vol ume.
Fig ure 32
Power ON/OFF - Vol ume Con trol-TR-300
TR-300 OP ER A TION
PUSH TO TALK/PUSH TO TRANS MIT
To en able the talk func tion on the Model
TR-300 press and hold down on the talk but ton
and be gin talk ing. Re leasingthe talk but ton will
dis con tinue the mi cro phone au dio. For con tin -
u ous talk, quickly press the talk but ton twice.
This locks on the talk func tion. To re lease the
talk func tion press the talk but ton once. Note
that the TR-300 trans mits any time that the
power is on.
For the Model TR-300P, the switch en ables
both the trans mit and au dio func tions and oth -
er wise op er ates as de scribed for the TR-300.
NOTE:The talk LED will be il lu mi nated
when ever the talk func tion is ac ti vated.
Push-to-Talk/Lock-to-Talk Switch
-26-
Fig ure 33
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