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Protalker PT-1078

of the latest generation will support DCS. There are 83 available DCS codes that can be used. Since earlier models will only support
CTCSS it will be better to use DCS to prevent that other users will be audible during your PMR conversations.

13.7.1 Changing sub-channels

13.8

Making a call

13.9

Monitor

You can use the monitor function to check for weaker signals in the current channel.

•

Press the

MON

- key

to start monitoring.

•

If you hold this key for more than 3 seconds, the radio will go into continous monitoring mode.

•

Press the key again to disable the monitor function.

13.10

Channel Scan

Channel scan performs a search for active signals in an endless loop from channel 1 to 8.
Once an active channel is found, the scanning will stop so you can listen to the conversation.
If there is no more activity on the found channel, the scanning will resume after two seconds.
If you press the PTT- key

on the found channel, the scan function will end and the radio will remain on this channel.

13.11

Silent mode

In silent mode no audio can be heard when receiving a signal.
When receiving a signal (or a call) in silent mode the following will happen:

–

The display backlight,

SLNT

and channel number will flash during 15 seconds

–

The “

Missed Call

”

icon will blink on the display

–

The vibrator will vibrate during 3 seconds

–

In the next 3 minutes, the vibrator will vibrate again every minute.

Enable / Disable silent mode: .

13.12

Roger Beep On/Off

After the PTT - key

is released, the unit will send out a roger beep to confirm that you have stopped talking.

13.13

Key Tone On/Off

When a key is pressed, a tone can be heard.

13.14

Key lock

Press and hold the OK - key

during three seconds to enable/disable key lock

–

LOCK will appear for 2 seconds when enabled

–

UNLK will appear for 2 seconds when disabled

13.15

Group Mode

The PT-1078 can be used in group mode. 122 different groups can be created (0..121).
You can use at maximum 16 PT-1078’s in the same group.
Each PT-1078 can be programmed with an ID-code (1..16) and each user can program his name in the unit.
A user can call another user individually or call all users in the group at the same time. The called user will be able to see who initiated
the call.
When an individual user is called, a private conversation can be made without disturbing the other users of the same group.

13.15.1 Activating / Deactivating Group mode

•

Press the

SUB

- key

the current selected sub-channel (or OFF in case of no

sub-channel) will blink.

•

Use the

- key

or the

- key

to select the desired sub-

channel:

1..38: CTCSS code (1...38)

39..121: DCS code (1...83)

•

Press the

- key

to confirm

When you press the

- key

you will transmit a call tone to the other users on the same

channel/sub-channel.
This will indicate that you want to start a conversation.

•

Press the

- key

There are 10 different call tones. You can select a call tone in the menu:

•

Press the

- key

three times (four times in Group mode)

•

Press the

- key

•

Use the

- key

or the

- key

to select the call tone

•

Press the

- key

to confirm

•

Press the

- key

SCAN

will appear on the display

•

Press the

- key

to start scanning

•

Press the

PTT

- key

to stop scanning

Annex B will show all detailed information about the CTCSS and DCS sub-channel codes.

Once a key is pressed or a transmission is made by pressing the

PTT

- key

or the the

key

, the

silent mode will be temporary disabled so the PMR radio will be able to receive signals. If there is no action
during 15 seconds the unit will go back into silent mode.

•

Press the

- key

twice

SLNT

will appear on the display

•

Press the

- key

•

Use the

- key