Telex SMP Car Stereo System User Manual


 
8.
Sidetone - The sidetone is the amount of a user’s own
voice that is feed back to their head phones. Both the
beltpack and base sta tions sidetone my be ad justed.
9.
Trans mit Power - The base trans mit power can be set to
the fol low ing po si tions:
Normal = The trans mit power is 10 dB be low max i -
mum power. This is 5 mW typ i cally.
High = The trans mit power is at full power. This is 50
mW typ i cally. (Rec om mended)
10.
Beltpack Off Mode - Sets the base sta tion's wired con nec -
tiv ity when the beltpack is off, out of com mu ni ca tions
range or in push-to-trans mit mode with the talk but ton off.
Mute ICs - The base drops con nec tiv ity to any wired
in ter com con nected to it af ter 1 sec ond of not re ceiv ing
com mu ni ca tions from a beltpack.
Last IC - The base main tains con nec tiv ity to the wired
in ter coms(s) the beltpack was last at if not re ceiv ing
com mu ni ca tions from a beltpack.
BTN A-The base con nects to the "A" but ton de fined
wired in ter com(s) when not re ceiv ing com mu ni ca tions
from a beltpack.
BTN B - The base con nects to the "B" but ton de fined
wired in ter com(s) when not re ceiv ing com mu ni ca tions
from a beltpack.
BTN C - The base con nects to the "C" but ton de fined
wired in ter com(s) and ac ti vates the "C" but ton op tions
(QB and/or Re lay if ac tive) when not re ceiv ing com -
mu ni ca tions from a beltpack.
11.
De fault Dis play - The user may se lect the nor mal or al ter nate
sta tus screen for the de fault dis play on the base sta tion.
But ton Op tions
The other three tabs in the con fig u ra tion screen are the set tings
for the three TR-1 but tons: A, B and C. Dis played in fig ure
2-4 is the tab for but ton C. The other but tons tabs are al most
iden ti cal. The C but ton was cho sen to dis play be low be cause it
has a few more ad di tional op tions. If the in ter com type cho sen
is "four wire" the but ton tabs are re placed by a sin gle "four
wire" tab. The op er a tion of it's fea tures are similar to that be --
low:
1.
Talk = The in ter com port is ac tive. Au dio is passed to and
from the beltpack and base’s lo cal head set.
2.
Lis ten Only = The au dio on the in ter com port can be
heard at the beltpack head set, but no au dio is passed to the
in ter com port from the beltpack.
3.
Mute = The in ter com port is off. No au dio is placed on or
taken from that port. If se lected, in ter com level con trols
will not be settable.
4.
IC in (Lis ten) – Sets the level of the in ter com au dio com -
ing into the base sta tion. Will be the only ad just ment ac tive
if Lis ten Only is se lected.
5.
IC out (Talk) – Sets the level of the in ter com au dio go ing
out of the base sta tion.
6.
Re lay Clo sure - If se lected, when but ton C on the
beltpack is pressed, a re lay clo sure is ac ti vated on the rear
of the base sta tion.
7.
QB = If se lected, when but ton C on the beltpack is
pressed, a 1000 Ohm path to ground is ac ti vated at pin 15
of the male and fe male D-sub con nec tors in the rear of the
base sta tion. This can be used to ac tive a PTT on some ex -
ter nal ra dio sys tems. Au dio from the beltpack and lo cal
base sta tion’s head set is also avail able at pin 15 when the
but ton is pressed.
8.
Aux il iary Au dio En able – If se lected aux il iary au dio is
switched to on in the base sta tion.
9.
Aux il iary In / Out Lev els – If en able is se lected, then the
aux il iary in and out levels are set here.
2-5
1
2
3
4 5 6
7
8
9
Fig ure 2-4
The But ton “C” Screen