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To reactivate the keypad, follow the procedure outlined above (at step 4, remove the
When the keypad is locked, the On/Off-Volume knob, the microphone PTT, and some function keys will still remain active
(depending on the device's programming).
10.4 Signal reception attenuator
If you are in an area where radio signals are too strong (e.g., near a high-powered repeater or transmitter), you may
find that these signals saturate your receiver, reducing performance. To avoid this situation, you can temporarily
insert an internal signal attenuator as follows:
1) Press the menu/↵ button to access the command menu, then use the
2) Press menu/↵ to view the available sub-menus.
3) Press the
buttons repeatedly until the
(distant).
4) Press menu/↵ to select
L
(local).
5) Exit the sub-menu by pressing the F4/E
screen.
In stand-by, the display will always show the current setting with the
attenuator activated) icon.
As soon as conditions return to normal (e.g., you have moved to an area where signals are not as strong), do not
forget to deactivate the attenator, otherwise you will not be able to receive weak signals.
To deactivate the attenuator, follow the procedure outlined above, selecting D at step 4.
10.5 Talk Around
If you are operating with a repeater and it breaks down, you can use the Talk Around function to communicate with
nearby stations by bypassing the repeater. To activate this function:
1) Select a semi-duplex channel (otherwise the Talk Around function cannot be activated)
2) Press the menu/↵ button to access the command menu, then use the
3) Press menu/↵ to view the available sub-menus.
4) Press the
buttons repeatedly until the
5) Press menu/↵ to insert the
the device is in standby.
6) Exit the sub-menu by pressing the F4/E
screen.
Do not forget to deactivate the Talk Around function when you have finished speaking with your receiving party,
otherwise you will not be able to use the repeater when it has been fixed.
10.6 Confidential transmission (optional scrambler board)
Your transceiver may be equipped with an optional internal scrambler board. This is a device that makes your
communication unintelligible by normal radio receivers/transceivers, but perfectly clear to other members of your
radio network, who will be equipped with a compatible scrambler board.
To activate the scrambler:
1) Ensure your receiving party has activated their scrambler.
2) Press the menu/↵ button to access the commend menu, then use the
3) Press menu/↵ to view the available sub-menus.
4) Press the
buttons repeatedly until the
5) Press menu/↵ to insert the
the device is in standby.
Rev. 2.0 on 1 March 2004
(local/distant) sub-menu is highlighted. To its left, you will see a
Loc/Dist
button, then press it a second time to exit the main menu and return to the standby
SC
TlkAround
sub-menu is highlighted.
symbol. The Talk Around function is activated and the
button, then press it a second time to exit the main menu and return to the standby
SC
Scrambler
sub-menu is highlighted.
symbol. The scrambler function is activated, and the
HM35 Series – User's Manual
).
buttons to highlight the
Radio Param
(distant = attenuator deactivated) or
buttons to highlight the
Radio Param
icon will appear on the display when
buttons to highlight the
Radio Param
icon will appear on the display when
option.
D
(local =
option.
option.
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