
DFor APCO P25 mode operation
(Common operation)
ZEROIZE KEY “ZERO”
Push and hold this key for 1 sec. to zeroize the encryption
key data which is programmed by the key loader.
After this operation is performed, the transceiver cannot
decrypt the encrypted code.
SITE LOCK KEY “SLCK” (Trunking mode only) (p. 14)
Push to lock the transceiver in the current registered site.
When the Site Lock function is activated, roaming and the
background scan are inhibited.
Push again to turn the Site Lock function OFF.
(Display and non-display units operate differently)
ENCRYPTION KEY “DENC” (p. 41)
(The optional UT-125 aes/des encryption unit is required.)
❍For Simple and 10-key types
Push to turn the Encryption function ON or OFF.
❍For Non-display types
➥Push and hold for 1 sec. to turn the Encryption function
ON.
➥If the function is ON, push the key to turn it OFF.
(Not available for Non-display types)
DIGITAL BUTTON KEY “DSEL”
➥Push to enter the digital call type selection mode. Then
push [CH Up]/[CH Down] or rotate [CH Up/Down] to
select the desired call type from “PAGE,” “RDO INHIBIT,”
“RDO UINHIBIT,” “RDO MONITOR,” “RDO CHECK,”
“STATUS,” “SHORT MSG,” “STATUS QUERY,” “PHONE”
and “ANNOUNCEMENT.” (p. 11)
After making the digital call type selection, push this key
again to enter the ID selection mode.
• If “STATUS” or “SHORT MSG” is selected, the transceiver dis-
plays the Status Message or Short Message selection mode
before entering the Individual ID selection mode.
• If “PHONE” is selected, the transceiver displays the phone
number selection mode.
• If no operation is performed for about 30 sec., the transceiver
returns to normal operation.
➥Push and hold for 1 sec. to cancel and return to normal
operation.
DIGITAL PAGE KEY “PAGE” (p. 19)
➥Push to enter the Individual ID selection mode for a Page
call. Then push [CH Up]/[CH Down] or rotate [CH Up/
Down] to select the desired Individual ID.
• Push [PTT] to transmit a Page call.
• If no operation is performed for about 30 sec., the transceiver
returns to normal operation.
➥Push and hold for 1 sec. to cancel and return to normal
operation.
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PREPARATION
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