ADI AQ-16 Manual page 16

to use this function.
14. Time-Out Timer (TOT)
The built-in time-out timer limits each transmission time to a
maximum of 8 minutes (default: 3MIN). Just before the
transceiver stops the transmission, a warning beep sounds. It is
necessary to protect the transceiver from thermal damage.
Access Menu No. 14, press [F] key and then use [UP]/[DOWN]
key to select the desired time and press [F] key to complete the
setting.
15. Transmitting Inhibit Function (TXSTOP)
You can disable the TX function to prevent unauthorized
individuals from transmitting, or to eliminate the risk of
accidentally transmitting by yourself.
Access Menu No. 15 to switch ON or OFF(default).
16.Hands-Free VOX Delay Time (VOX D)
In order to avoid that your latest transmitting will not be
transmitted, please delay the Hands-Free VOX delay time. You
can access Menu No. 16 and use [UP]/[DOWN] to select the
desired time (1S, 2S, 3S, 4S, the default setting: 3S) and press
[F] to complete the storing.
17.VOX Busy (VXB)
When receive a signal, in order to avoid VOX transmitting to mix,
you can access to Menu No. 17 and use [UP]/[DOWN] to switch
ON(default) or OFF, then press [F] to complete the storing.
18. Wide/Narrow Band Selection (WIDNAR)
You can access Menu No. 18 to select the desired channel
bandwidth (WIDE/NARROW, default: WIDE).
19. Dual Tone Multi Frequency (DTMF)
The DTMF keypad is laid out in a 4×4 matrix, with each row
representing a low frequency, and each column representing a
high frequency. Pressing a single key will send a sinusoidal tone
of the two frequencies. The original keypads had levers inside, so
each button activated two contacts. The multiple tones are the
reason for calling the system multi-frequency. These tones are
then decoded by the switching center to determine which key was
pressed. Using this function, you can select these transceivers