•Send the GPS data <TK-5710/ TK-5710H/ TK-5810/ TK-5810H only>

Press this key when the GPS unit has been installed to send your positioning data to the base station.

•Site Lock

Press this key to lock the current site. “SITE LOCK” appears on the display and the transceiver cannot search for alternate sites. Press and hold the Site Lock key for 2 seconds to unlock the transceiver to allow roaming again.

•Speaker 1 – 2 Mute

Press this key to mute the secondary speaker when using a dual-head system. The Head 1 speaker will mute when pressing this key from the Head 2 unit, and the Head 2 speaker will mute when pressing this key from the Head 1 unit.

•Squelch Level

Press this key to adjust the transceiver squelch level. When adjusting the squelch level, use the the GRP and keys or the CH control to increase and decrease the squelch level from 0 (open) to 9 (tight). The default setting is 5.

•Status <TK-5710/ TK-5710H/ TK-5810/ TK-5810H only>

Refer to “FleetSync: Alphanumeric 2-Way Paging FUNCTION” on page 19 and “Making a Status Call” on page 24.

•System Search

Press this key to view the current Trunking site. With the site displayed, press the System Search key again to enter Search mode. “SEARCH” appears on the display and the transceiver begins searching for a new site. When a site is found, searching ends and the transceivver switches to the new site.

•Tactical Group <TK-5710/ TK-5710H/ TK-5810/ TK-5810H only>

Press and hold this key for 1 second to register the selected channel as a Tactical Group channel. Press and hold this key for 3 seconds to register all channels within the current zone as Tactical Group channels.

•Talk Around

Press this key to toggle Talk Around ON and OFF. When activated, “TA” appears on the sub-display. Talk Around redirects the transceiver signals directly to other party members rather than relaying the signals through a repeater.

•Talkgroup

Refer to “Making Group Calls (P25)” on page 13.

•Tone

Press this key to toggle the transceiver audible tones ON and OFF.

•Zeroize

Press and hold this key for the pre-programmed zeroize delay time, to delete the Encryption key.

•Zone Down

Press this key to decrease the zone number {page 12}.

•Zone Select

Using the CH control, turn clockwise to increase the zone number and counterclockwise to decrease the zone number {page 12}.

•Zone Up

Press this key to increase the zone number {page 12}.

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