Difference between revisions of "IP Flush Master and Headset"
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=== Auto-detection of the headset === | === Auto-detection of the headset === | ||
| − | If the auto-detection of the | + | If the auto-detection of the AK5850HS headset does not work when it is plugged in, one can reduce the threshold for the comparator circuit that detects the microphone. This is done by changing resistor R168 to 2,2kΩ, or you can solder a 4,7kΩ resistor on top of R168 (see drawing). This change is included from factory as from mid 2016. |
Revision as of 17:04, 21 April 2016
This article describes how to connect headset to the IP Flush Master - 1008031000 or to the IP Master Station Kit - 1008093000.
The IP Flush Master station is fit with an RJ11 connector for headset connection. Insert the RJ11 plug of the headset into the upper port of the dual RJ11 ports on the lower left of the station. A regular PC style headset can be used. If the headset is not equipped with an RJ11 connector, an adapter must be made locally.
The headset will automatically be detected when connected, and a headset icon will appear in the top right corner of the display. The microphone and loudspeaker on the IP Flush Master panel will be disabled, and the audio routed to the headset.
Contents
Headset specifications
Connections
- Pin 7 Mic+
- Pin 8 Spk+
- Pin 9 Spk-
- Pin 10 Mic-
- Pin 11 PTT Ground
- Pin 12 PTT (Not currently supported by SW)
Impedance
- Electret microphone: 1-2 kohm
- Loudspeaker: 120–1000 ohm
PTT
Dry contact, normally open (NO)
Note: The PTT input on pin 11 and 12 is currently not supported. If PTT function is required, the PTT signal must be wired to one of the three inputs on connector P4 of the IP Flush Master.
Microphone sensitivity
The sensitivity of the headset microphone can be adjusted from the station web page.
Note: The sensitivity adjustment is a common setting for both the headset microphone and the microphone on the IP Flush Master panel.
Headset solution CRM-VH
The headset solution CRM-VH (Item number 2213100000) consists of a flush mounted Headset Connection Box and a headset. It is designed for the IP Flush Master station, and includes ON/OFF switch and a light, comfortable, single-sided mono headset with noise cancelling microphone.
The ON/OFF switch makes it possible to combine it with the handset (1008097100) for the IP Flush Master, and use it in loudspeaker mode.
The Headset Connection Box comes with a 50 cm patch cable for connection to the headset outlet in the IP Flush Master station. The dimension (HxWxD) is 96 x 96 x 80 mm.
Headset AK5850HS
- The headset AK5850HS (item 2330040026) comes with a boom microphone, curled cord and plug.
- The Plugbox TA-22b (item 1008140225) comes with a PTT button and 10-meter long cable.
Note: The headset is designed to be used with industrial stations. The plugbox cable comes with three 2-poled IDC connectors. One have to do local adaptation by either removing the IDC connectors and terminate the cable with an RJ11 directly, or one can use a junction box as indicated on the drawing below.
Configuring the PTT function
If the PTT function is to be used, the input "Key 1" of the IP Flush Master must be configured to activate M-key ON and OFF.
The input "Key 1" is normally reported as DAK 11. But if "Station Type" = CRM in AlphaPro (Users & Stations), the "Key 1" is reported as DAK 251.
Create an event from AlphaPro: In Users & Stations window, select the IP Flush Master from the list box, and press the button Events. Insert an event with the following properties:
Action string:
$%chg(M,MREL) L%1.dir
Auto-detection of the headset
If the auto-detection of the AK5850HS headset does not work when it is plugged in, one can reduce the threshold for the comparator circuit that detects the microphone. This is done by changing resistor R168 to 2,2kΩ, or you can solder a 4,7kΩ resistor on top of R168 (see drawing). This change is included from factory as from mid 2016.