TMAA02-08 Keypad Microphone
Installation Instructions
Introduction
The TMAA02-08 keypad microphone plugs into
the microphone socket on the radio control head,
and enables users to make calls to other radios,
groups, or to a PABX or PSTN. The types of call
that you can make depends on the way your radio
has been programmed.
As well as the PTT key, there are twelve
alphanumeric keys, two scroll keys, and a left
and right selection key on the keypad
microphone. The selection keys and scroll
keys duplicate the keys on the control head
and the 12 alphanumeric keys on the keypad
microphone are used to dial call strings and
enter text.
The microphone button operates a hookswitch,
which is closed when the microphone is connected to the microphone clip, and open when the
microphone is removed from the microphone clip. The function of the hookswitch is
determined by the way the radio is programmed.
PTT key
alphanumeric
keys
right selection keyleft selection key
scroll
grommet
Operation
Dialing Characters
If an incorrect character has been dialed, use the left selection key on either the microphone
keypad or control head to clear it and move back one character.
Dialing Text Messages
When the keypad microphone is used to enter a text message, the microphone keys have
special functions. Use the key to toggle between upper and lower case characters and use
the left selection key to delete a character from the display.
The alphanumeric keys to are used to enter letters, numbers and punctuation.
Repeated presses of these keys will give you the characters shown in the table below.
© Tait Limited November 2012
www.taitradio.com
402-00018-03
Key Characters Key Characters
.,?!1 P QRS7
ABC2 T UV8
DEF3 W XYZ9
GHI 4 space0
JKL5
MNO6
*
Installation
Notice The keypad microphone grommet must be installed whenever the microphone
is plugged into the microphone socket. When installed, the grommet has two functions:
■ to prevent damage to the microphone socket when there is movement of the
microphone cord, and
■ to ensure that the control head is sealed against water, dust and other environmental
hazards.
1. Make sure the radio is turned off, then plug the keypad microphone cord into the
microphone socket on the radio control head.
Notice The radio will only recognize the presence of the keypad microphone when the
radio is powered on, so that if the microphone is plugged in after the radio has been powered on, it will not recognize the keypad microphone. Also, if the keypad microphone is
plugged in on power up but is later unplugged, then plugged back in, the radio will not
recognize it again until the next power cycle.
2. Slide the microphone grommet along the microphone cord and push two adjacent corners of the grommet into the microphone socket cavity.
3. Squeeze the grommet and push the remaining corners into position.
4. Check that the grommet is seated correctly in the cavity.
Correct keypad microphone grommet seating
microphone
grommet
control head
Installing the Microphone Clip
Install the microphone clip in the most convenient location for the radio user. It must be within
easy reach of the user, but in such a position that the microphone PTT key cannot be
inadvertently activated or jammed on.
2 TMAA02-08 Keypad Microphone
© Tait Limited November 2012
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