Telex AUDIOCOM BP-2000 - Manual (Page 11)

NOTE: On the BP-1000, jumper J3 must always have
pins 2 and 3 shorted.
Side Tone Adjustment (R19)
The side tone adjustment is accessible either internally (refer
to Figure 2) or by removing the belt clip mounting screw
(callout 5 in Figure 1).
To adjust the level of your own voice heard in the headphones,
tap the
Talk button once to turn on the headset microphone.
Then, use a small flat-blade screwdriver to increase or
decrease your voice level while talking into the microphone.
Clear-Com Setup
Make the following switch and jumper changes when the belt
pack is used with Clear-Com equipment:
BP-2000
1. SW3 must be placed in the UNBAL position.
2. J2 must have pins 1 and 2 shorted (U position).
3. J5 jumper must be removed and placed on J6.
4. J6 must have pins 1 and 2 shorted (using jumper from J5).
5. J7 must have pins 1 and 2 shorted.
BP-1000
1. SW3 must be placed in the UNBAL position.
2. J2 must have pins 1 and 2 shorted (U position).
3. J3, J5 must have pins 2 and 3 shorted at all times.
10