User manual
15
Programming different options (for service only after opening the cabinet)
Jumper settings truth table
The radio is shipped with a factory default setting to 136-174 MHz maximum possible operating range
(Mode 0, no jumper inserted). Der switchable frequency range can be limited by hardware jumper
setting to 144-146 or 144-148 MHz with different receiving ranges according to the following jumper
setting truth table. You may solder jumper contacts or use plug-in jumpers (same jumpers are used in
computer main boards, or as jumpers on ATAPI CD or hard disk drives.
-
means: no jumper inserted or soldered (contact pair open).
yes means: jumper is plugged in or soldered.
*
In mode 3 all keys exept the rotary swich and the PTT button are disabled. The rotary
switch allows only the selection of previously programmed memory locations (maximum
10 frequency settings). This mode is designed for use as commercial radio in
countries, where AE 540 is allowed to be used for PMR purposes, or for amateur use
when malfunctions caused through user errors shall be excluded. For programming,
start in Mode 0 (no jumper), store the desired frequency settings in one or up to 10
memory locations. Switch the radio off and insert the jumpers for mode 3. After
switching on again, user can only use the pre-programmed memory locations. Even a
hardware reset cannot delete these settings.
**
This function is reserved for a special PMR application in countries, where this radio is
allowed to be used in commercial networks. The function is described in an additional
manual available from our download server under
www.alan-albrecht.info or www.hobbyradio.de
Safety precautions: to avoid possible problems caused through electrostatic discharges (ESD effects),
please switch the radio off before opening the cabinet. Discharge all Your tools and Your hands against
ground before inserting or changing the jumpers inside. There is no reset required after jumpers have
been reconfigured! Just switching off and on again activates a new jumper setting. You will find the 3
jumpers just above the volume potentiometer on a Sub PCB in 90 ° angle towards front panel. Jumper
C1 is away from front panel, jumper 3 is close to front panel, Jumper 2 is in the middle between the
others.
Jumper settings
MODE
C 3 C 2 C 1
TX RX
0 - - - 136.000 - 174.000MHz 136.000 - 174.000MHz
1 yes - - 144.000 - 147.995MHz 136.000 - 174.000MHz
2 - yes - 144.000 - 145.995MHz 144.000 - 145.995MHz
3 yes yes -
VFO mode deactivated
(for commercial users, no amateur radio)
*
4 - - yes 144.000 – 145.995 MHz 136.000 - 174.000MHz
5 yes - yes 146.000 - 174.000MHz 146.000 - 174.000MHz
6 - yes yes Slave (for commercial use only)**
7 yes yes yes Master (for commercial use only)**