Clock Audio Non wireless bases - Manual (Page 4)

Push to Talk set up (Press touch switch for microphone to be Live)
This option will allow the microphone to be live only whilst the touch switch is being
pressed.
Note:
It’s important to ensure that any touch switch input operations are made within
2 seconds after seeing either slow or rapid flashing of the led indicator. Failure to do
so will prevent the correct programming taking place. Simply switch the power off for
5 seconds and start again.
Setting Programme mode
Press and hold down the touch switch and at same time slide the power
switch to its on position then immediately release the touch switch. The red
led will rapidly flash. If it does not then switch power off and wait a few
seconds then try again. Do not proceed until you see rapid flashing of the led.
Changing the Programme
After the red led stops rapidly flashing press the touch switch once and wait
for the led to flash, press the touch switch once again and wait for flash
followed by rapid flashing. Press touch switch twice and wait for flash, press
touch switch once again wait for flash followed by rapid flashing. Wait a
further 15 seconds to allow the new data to be programmed into the
processor. The wireless base has now been set to PTT and can now be used.
Easy programme steps

Set programme mode as detailed above (identified by rapid flashing)

Press once and wait for flash.

Press once and wait for flash followed by rapid flashing.

Press twice and wait for flash

Press once wait for flash followed by rapid flashing.

Wait 15 seconds before using.