Internal Switches, Jumpers And Adjustments - Telex AUDIOCOM BP-2000 Operating Instructions Manual

INTERNAL SWITCHES, JUMPERS AND ADJUSTMENTS

There are several internal switches, jumpers and an
adjustment that affect operation. These are described below.
To gain access to the switches, jumpers and the adjustment,
disconnect all power and line connections. Remove two
screws from the top of each side and two screws from bottom
of each side. Switch, jumper and adjustment locations are
shown in Figure 2.
B
U
EL
3 2 1
J4 SW1
DYN
J15
1 2 3
Figure 2. Internal Switches, Jumpers and Adjustments
NOTE: Figure 2 shows a BP-2000 with the switches and
jumpers in their factory default positions (referenced in
Table 2).
The SIDETONE adjustment is also accessible behind the
screw that holds the belt clip (callout 5 in Figure 1).
The functions of the internal switches and jumpers are
described in Table 2.
J3
1 2 3
BAL
3 1
2
J5
J1
J6
UNBAL
SW4
SW2
9
SW5