BAT TERY RE MOVAL
To re move the bat tery holder from the case to
change bat ter ies, fol low the in struc tions as be -
fore for re mov ing the cover. Pull the strap on
the holder, the holder should come out.
NOTE:
For max i mum un in ter rupted ser vice it
is sug gested that new 1.5 volt al ka line AA bat -
ter ies be in stalled prior to each use. Avoid
“shelf worn” or “eco nom i cal” bat ter ies. Op er a -
tion from nickle metal hydride bat ter ies is also
per mis si ble. Typ i cal life of fresh al ka line bat -
ter ies with the TR-300 is ap prox i mately 24
hours max i mum, 12-15 hours is typ i cal of fully
charged nickle-metal hy dride bat ter ies.
NOTE:
Rechargeable bat ter ies can be charged
right in the TR-300 us ing the Telex AC-1NM
Bat tery Charger. Re fer to “Bat tery In for ma -
tion” Sec tion. Re charge able bat ter ies in the
holder can be charged us ing the Telex
BC-4NM charger.
Fig ure 34
Bat tery Re moval
EN ABLING AU DIO
POR TA BLE TRANS CEIVERS
Se lect the TR-300 portables that will be used
with the BTR-300. Push in the por ta ble en able
switches that cor re spond to the fre quen cies of
the TR-300 remotes that you will be us ing. The
fre quen cies of the por ta ble sta tions 1,2,3, and
4, are listed on the bot tom of the BTR-300. The
Por ta ble Car rier LED will il lu mi nate when the
re mote on that fre quency is turned on. The in -
di ca tors may also light in re sponse to out side
i n t e r f e r e n c e o n t h a t c h a n n e l o r t o
intermodulation aris ing from portables be ing
used at too close a dis tance to the base. To pre -
vent these sources from cre at ing un de sir able
noise, all un used chan nels should be switched
out.
IN TER COM SWITCH
The in ter com switch in the front of the unit will
act as an en abling switch when the unit is be ing
used with ei ther a Telex Audiocom wired in ter -
com or Clearcom wired in ter com.
When us ing a RTS sys tem wired in ter com the
switch will act as a chan nel se lec tor switch for
se lect ing of ei ther Chan nel A or Chan nel B.
AUX IL IARY
The AUX Switch on the front of the BTR-300
will en able any aux il iary au dio that is used.
-27-
Fig ure 35
En able Switches
Summary of Contents for RadioCom BTR-300
Page 1: ...Telex Operating Instructions PROFESSIONAL WIRELESS INTERCOM SYSTEM TR 300 TR 300P BTR 300 ...
Page 2: ......
Page 11: ... 7 ...
Page 12: ... 8 ...
Page 15: ...Figure 6 External Controls TR 300 11 ...
Page 40: ...9600 Aldrich Ave So Minneapolis Minnesota 55420 U S A PN 80 Oct 1999 Made in U S A ...