Baofeng BF-88ST PRO - Sub-Codes; VOX (Hands-Free Transmission)

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1. Sub-Codes
Your Radio incorporates two advanced coded squelch systems that can help to reduce interference from other
users on any given channel. CTCSS (Continuous Tone Coded Squelch System) provides 50 Sub-Codes and DCS
(Digitally Coded Squelch) provides 105 Sub-Codes. This provides a total of 155 Sub-Codes. Either system can be
used on all channels, but both systems cannot be used on the same channel at the same time.
To successfully communicate using a privacy code, both the sending and receiving radios must be tuned to the
same channel and to the same privacy code system (CTCSS or DCS) and privacy code number. Each channel
will remember the last privacy code system and number you select.
To select a Privacy Code for the current channel press the [E button once, and then the [ or [l buttons to
select between “OF/CT/DC." Press the [ button again and [E or [g] buttons to select one of the 50 CTCSS
Codes or one of the 105 DCS Codes. The Privacy Code icon on the display will indicate whether you set your
Privacy Code in CTCSS or DCS mode. To confirm the selection, press the [PTT] button or press the [ button
again to move to the next feature setting
NOTE: If you select a CTCSS Privacy Code, any pre-selected DCS Privacy Code will be cancelled and
vice-versa. Selecting a Privacy Code of "oF" will disable the Privacy feature. To communicate between two radios,
all radios in your group must be set to the same channel and/or Privacy Code selections. The Privacy Code can
only be setin channels 1~22.
2. VOX (Hands-Free Transmission)
Your radio has 3 VOX level settings: (oF/1/2/3).
To set VOX, press the [E button until the display shows “VOX" blinking while on the right of the CHANNELNUM-
BER display, an “oF” icon appears. Select “1",2" or “3" by pressing the [l or [@ buttons and push the [PTT]
key, or press the [l button again to move to the next feature setting.
VOX will be more sensitive on the *1" setting than on the “3" setting. To turn VOX off, press the B button unti the
display shows “VOX blinking while on the right of the CHANNELNUMBER display, a “1","2" or *3" icon appears.
Select “oF” by pressing the [l or [l buttons and push the [PTT] key, or press the [ button again to move to
the next feature setting