32.4 Radio Programming For The Tmaa10-05 Hands-Free Kit; Interface Specification - Tait TM8235 Service Manual

32.4 Radio Programming for the TMAA10-05 Hands-Free Kit

VOX Settings in the
PTT Form
VOX Settings in the
Key Settings Form
32.5

Interface Specification

564 TMAA10-04 Remote PTT Kit and TMAA10-05 Hands-Free Kit
The following table shows the settings required in the PTT form of the
programming application. For detailed instructions on how to configure a
radio for VOX operation, refer to the section "Configuring VOX" in the
online help of the programming application.
Table 32.3 VOX settings in the PTT form, External PTT (2) or VOX tab
Field
EPTT2 or VOX Inhibit
Advanced EPTT2 or VOX PTT Transmission Type
1. These are recommended settings only.
In the Key Settings form of the programming application, one of the
function keys on the control head can be programmed to activate VOX.
Table 32.4 VOX settings in the Key Settings form
Field
Function Key Actions
1. Select the required function key.
The following table and diagram summarizes the signals used for the remote
PTT and hands-free kits on the radio's auxiliary connector and shows the
interface between the kits and the radio.
Table 32.5 Auxiliary connector—pins and signals
Pin
8
B
J
C
1)
10
D
1!
E
1@
F
1#
12
G
1$
H
1% 14
I
rear view
15
Inhibit PTT When Emergency Active
Inhibit PTT Transmission When Mic on Hook clear
Indicate PTT Inhibit to User
Audio Source
PTT Priority
1
Key 1
Signal name Description
+13V8_SW
power to hands-free microphone pre-
amplifier
AUX_GPIO4
reference voltage to pre-amplifier
regulator
AUX_GPI1
PTT signal from hands-free kit
AUX_MIC_AUD microphone audio to the radio
AGND
analogue ground
Setting
select
a
a
clear
Voice
AUX MIC
Highest
Setting
VOX Activation
TM8100/TM8200 Service Manual
© Tait Electronics Limited June 2006
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a