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OTHER OP – 5
TX INHIBIT
You can inhibit the transmission to prevent unauthorized
individuals from transmitting, or to eliminate accidental
transmissions while carrying the transceiver.
1 Enter Menu mode and access Menu 139.
2 Set the TX inhibit to “On” or “Off”.
• “TX Inhibit” appears and an error beep sounds if the
transceiver tries to transmit while TX Inhibit is ON.
SELECTING AN OUTPUT POWER
It is a good idea to select lower transmit power if
communications is still reliable. This lowers the risk of
interfering with others on the band. When operating from
battery power, you will enjoy more operating time before a
recharge is necessary.
Press [F], [MENU] to select high (H), low (L), or economic
low (EL) power.
• You can program different power settings for bands A and B.
Note: When the transceiver overheats because of ambient high
temperature or continuous transmission, the protective circuit may
function to lower transmit output power.
VOX (VOICE-OPERATED TRANSMISSION)
VOX eliminates the necessity of manually switching to
Transmit mode each time you want to transmit.
The transceiver automatically switches to Transmit mode
when the VOX circuitry senses that you have begun
speaking into the microphone.
When you operate the VOX function, you must use an
optional Headset; the internal speaker and microphone
are too close to each other to be used for the VOX
function.
To turn the VOX function ON:
1 Enter Menu mode and access Menu 134.
2 Set it to “On”.
• When VOX is activated, the “ ” icon, gain level, and
delay time will appear on the display.
Note:
X While in Menu mode, the VOX function is temporarily disabled.
X Since the VOX circuit must detect the presence of your voice, you
may notice a slight delay in transmission; the very first part of your
message may not be transmitted.
X When the VOX function is ON, the ASC function turns OFF.
X VOX cannot be used with an optional Speaker/ Microphone.
Q VOX Gain
To enjoy the VOX function, take the time to properly
adjust the VOX Gain level. This level controls the VOX
circuit to detect the presence or absence of your voice.
There are 2 ways to adjust the VOX Gain.
While the VOX function is ON:
1 Speak into the headset microphone using your
normal tone of voice to transmit.
• If the transmission does not begin, you must readjust
the VOX Gain so that transceiver transmits while you
are speaking. To readjust the gain, press and hold
[PTT] then press
[ ]/[ ] to select a more sensitive
gain level.
• While readjusting the gain, you can release
[PTT].
The transceiver will remain in Adjustment Mode for
approximately 5 seconds.
2 Adjust the VOX Gain by pressing [ ]/[ ] until
the transceiver reliably switches to transmission
mode each time you speak while the transceiver is
transmitting.
From the Menu:
1 Enter Menu mode and access Menu 135.
2 Select the desired VOX gain level.
Q VOX Delay Time
If the transceiver returns to reception mode too quickly
after you stop speaking, the end of your transmission
may not be sent. To avoid this, select an appropriate
delay time that allows your entire transmission to be
sent, before Transmit mode ends. However, do not
make the delay overly long.
1 Enter Menu mode and access Menu 136.
2 Set the desired delay time to 250, 500 (default),
750, 1000, 1500, 2000, or 3000 ms.
Note:
X If you press [PTT] while the VOX function is ON, the VOX Delay
Time is not reflected to the transmission.
X If you press [CALL] (if 1750 Hz is programmed) to transmit a
1750 Hz tone, the VOX Delay Time is not reflected.
X If the DCS function is ON, the transceiver remains in Transmit
mode for the duration set by the VOX Delay Time. It then sends a
Turn-Off Code to close the receiving party’s squelch.