•Scan Program (SCP) <TK-5210/ TK-5310 only> Refer to “Scan Programming” on page 26.

•Scrambler/ Encryption (SE)

Refer to “SCRAMBLER (FM) <TK-5210/ TK-5310 only>/ ENCRYPTION (P25)” on page 37.

•Scrambler/ Encryption Code (SEC)

Refer to “SCRAMBLER (FM) <TK-5210/ TK-5310 only>/ ENCRYPTION (P25)” on page 37.

•Selcall (SEL) <TK-5210/ TK-5310 only>

Refer to “FleetSync: Alphanumeric 2-Way Paging FUNCTION” on page 28.

•Selcall + Status (SES) <TK-5210/ TK-5310 only> Refer to “FleetSync: Alphanumeric 2-Way Paging FUNCTION” on page 28.

•Send the GPS data (GPS) <TK-5210/ TK-5310 only> Press this key when the GPS unit has been installed to send your positioning data to the base station.

•Site Lock (SIT)

Press this key to lock the current site. The transceiver cannot search for alternate sites, and on K2/K3/K5/K6/K7 model transceivers, “SITE LOCK” appears on the display. Press and hold the Site Lock key for 2 seconds to unlock the transceiver to allow roaming again.

•Speaker Attenuation

Press this microphone key to attenuate received voice signals. This reduces the strength of the speaker output to cut back any noise and distortion present in the signal.

•Squelch Level (SQL)

Press this key to adjust the transceiver squelch level. When adjusting the squelch level, use the Side 2 and Side 3 keys or the D> and <C keys to increase and decrease the squelch level from 0 (open) to 9 (tight). The default setting is 5.

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