
BP-319 / BP-351 User Station BP-319 / BP-351 User Station
10 7
2 OPERATION EXTERNAL
CONNECTIONS & CONTROLS
NOTE: The numbers refer to the callouts in
Figure 1.
1. Volume Control: Use this control to
adjust the headset/earset listen level.
2. Chan Select Button (BP-351 only):The
Chan button allows the user to select
which intercom channel is active. The
yellow indicator next to 1 or 2 lights to
show the active channel. Press the Chan
button to change the channel selection.
3. Call Button and Indicator: The Call
function allows the user to send or
receive signals to/from other devices on
the intercom channel selected. The Call
button operates in two ways:
Call Receive
: When there is an
incoming call signal, the indicator is
red. (If Audible Call Alert is enabled,
incoming calls will cause beeps in the
headset.)
Call Send
: To send a call signal to all
stations on a selected channel, press
and hold the Call button until a verbal
response is received. The indicator will
glow red.
4. Talk Button and Indicator: The talk
button activates the headset microphone
and operates in two ways:
Latched Mode
: Tap the button once to
talk. The indicator will glow green. Tap
the button again when finished with a
conversation.
Momentary Mode
: Press and hold the
button to talk momentarily. Release the
button when finished talking.
5. Sidetone Control: When using a
headset, this control adjusts your own
voice level heard in the earphones. To
adjust the level, tap the Talk button once
to turn ON the headset microphone.
Then, use a small flathead screwdriver to
increase or decrease your voice level
while talking into the microphone. (This
control is accessible by removing one
screw of the belt clip.)
6. Headset Connector: This connector
accepts an RTS boom microphone.
7. Intercom Channel Connector: The
BP-319/351 intercom channel is
connected via a 3-pin female connector
with a 3-pin male loop through
connector. The BP-319/351 is powered
from the intercom system power supply.
Figure 1 - Reference View
SETTING MODES OF OPERATION
Perform the following steps to change the
BP-319-351 mode of operation.
1. Both the Talk and Call indicators should
be off.
2. Press and hold both the Talk and Call
keys, then release both keys. The Call
indicator should now glow red. (The
number of beeps heard in the headset
indicates the current mode of
operation.)
3. Press the Call key to change to the
next mode of operation. Each press of
the Call key causes the BP-319/351 to
change to the next mode of operation.
4. When the desired mode is reached,
press the Talk key to select the mode
and exit.
NOTE: Each time the intercom system
power is turned ON, the BP-319/351 will
reset, the BP-319/351 will reset to the
default mode of operation (Mode 2, see
Table 1.
17
24 4
5
3
9
11
15
14
8
1
19
12
13
7
6
10
18
(4PLS)
(2PLS)
(2PLS)
(2PLS)
(2PLS)
18
J2 J1
TOJ2
TOJ1
RTS
BP-319
25 26
23
2
Figure 3 - BP319 Final Assembly, 90107753000