Vega Telex HB-3PLUS Technical Manual - 2 Installation
2
HB-3plus Headset Adaptor Box
2 Installation
2.1 HB-3PLUS Mounting
The HB-3PLUS may be mounted either under or along the side of a dispatch position, choose a
location that allows for easy headset connection and is free of direct hits from chair arms and
personnel knees.
2.2 HB-3PLUS Setup
2.2.1 PC/Console Mode
Operations of the HB-3PLUS with Vega C-Soft or tone remote consoles are set by JMP8.
A – PC Mode
B – Console Mode
Figure 1 HB-3PLUS Front View
2.2.2 Headset I and II Connections
The HB-3PLUS operates with either 4 or 6 wire Dual ¼
”
Phone Jack plugs. The standard
configuration for the HB-3PLUS is for operation with a 6-wire plug configuration. The horizontal
lines adjacent to the right phone jack of each headset pair are a polarity symbol for stereo
headsets. Internal, selectable jumpers set the configuration of each headset port.
Headset I
JMP12 – Routes SELECT or UNSELECT audio to the headset
A – UNSELECT and SELECT audio to headset
B – SELECT only audio to headset
JMP10/11 – Sets the DC voltage polarity to the headset mic
A – DC+ to the horizontal line jack
B – DC- to the horizontal line jack
CAUTION – Both JMP10 AND JMP11 Must Be Set Together To A Or B
Cutting the small trace between JMP13 disables the PTT function for 4-wire headset operation
Headset II
JMP3 – Routes SELECT or UNSELECT audio to the headset
A – UNSELECT and SELECT audio to headset
B – SELECT only audio to headset
JMP4/5 – Sets the DC voltage polarity to the headset mic
A – DC+ to the horizontal line jack
B – DC- to the horizontal line jack
CAUTION – Both JMP4 AND JMP5 Must Be Set Together To A Or B
Cutting the small trace between JMP6 disables the PTT function for 4-wire headset operation.