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SRP9170/80 P25 Portable Radio – User Manual

6 SPECIAL FUNCTION KEYS

Several function keys are simply short cuts to a menu screen. Further information on the

operation of these function keys is contained in section 4.

6.1 ALARM

This key is used to put the radio into Emergency Mode.

Alarm is supported in Digital mode only.

Pressing the Alarm key send causes the radio to set the Emergency flag in the transmit voice

messaging and depending on radio configuration, optionally enter Transmit/Receive cycle

mode. In cycle mode, the radio will transmit live microphone audio at high gain for the

nominated duration and return to receive mode for the nominated duration.

This cycle will repeat indefinitely or until the radio is turned off and on again.

6.2 ANNOUNCE

To send an Announce call on the channel, press this function key and then use the PTT to

send the call. The next PTT after the Announce will call the default group.

6.3 CHANNEL UP AND DOWN

The current selected zone’s channel is decremented whenever the key is pressed.

The channel up and down functions are normally assigned to the Up/Down function keys.

They can be assigned to other keys if required.

If the current channel is the first channel, then the decremented channel will wrap around to

the last channel in the current zone.

The new channel can be an analogue or digital channel.

If pressed and held, the function auto repeats and updates the display for every 5

channel.

If the Talkaround function is enabled and selected, then Talkaround will be cancelled when

the channel is changed.

6.4 CRYPTO

The function provides a shortcut to the Encryption select menu for user selection of the

current encryption key.

6.5 DTMF SEND 1/2 (P25 ANALOGUE)

This function transmits a predefined DTMF sequence of up to 16 DTMF tones. There are

two DTMF send functions, DTMF1 and DTMF2.

Send DTMF is only supported in analogue mode and can be assigned to keys F1 to F6.

If an analogue channel is selected and transmit is allowed, then activating this function

transmits a predefined DTMF sequence (up to 16 tones).

6.6 KEY LOCK

The Keyboard Lock function is dedicated to the “OK” key. To use Key Lock, the function

has to be enabled in the FPP. To unlock the keys, the “OK” key must be held down for 2

seconds. The keys will then autolock again 10 seconds after no user activity.

Keys are locked in this mode with the exception of Emergency, PTT and any function key

that has been assigned Reset function.

Simoco P25 User Manual

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