E F Johnson Company 2425130 Benutzerhandbuch
GENERAL OPERATION
9
May 2002
Part No. 002-5100-100
Power-Up Password
The power-up password feature prevents unau-
thorized use of the transceiver by locking the keypad
on power up until the proper password is entered. This
feature is enabled or disabled by programming.
on power up until the proper password is entered. This
feature is enabled or disabled by programming.
When it is enabled, “ENTER PSWD” is briefly
displayed when power is turned on. The eight-digit
numeric password must be then be entered as follows.
If an incorrect password is entered, “INCORRECT” is
displayed and it must be re-entered.
numeric password must be then be entered as follows.
If an incorrect password is entered, “INCORRECT” is
displayed and it must be re-entered.
DTMF Keypad Models - Enter the password using
the 0-9 keys and then press the Enter (F2) key when
finished. If a mistake is made, the last digit can be
erased by pressing the F1 (Clear) key.
the 0-9 keys and then press the Enter (F2) key when
finished. If a mistake is made, the last digit can be
erased by pressing the F1 (Clear) key.
Limited Keypad Models - Select the proper number
for each position by pressing the Up/Down switch.
When the proper number for a position is displayed,
select it and move on to the next position by pressing
the F2 (Enter) key.
for each position by pressing the Up/Down switch.
When the proper number for a position is displayed,
select it and move on to the next position by pressing
the F2 (Enter) key.
Zone And Channel Select
Zone Select
The front panel Up/Down switch changes and
displays the current zone. When not in special modes
such as the menu mode, pressing either the top or
bottom part of this switch once displays the current
zone number as “Zone x”. Then quickly pressing it
again changes the selected zone up or down.
such as the menu mode, pressing either the top or
bottom part of this switch once displays the current
zone number as “Zone x”. Then quickly pressing it
again changes the selected zone up or down.
After the highest programmed zone is displayed,
wrap-around to the lowest programmed zone occurs
and vice versa. The selected zone is also displayed
briefly on power up.
and vice versa. The selected zone is also displayed
briefly on power up.
Channel Select
Channels are selected by the rotary 16-position
switch on the top panel. The alias (identification) for
the selected channel/group is displayed continuously
during normal operation.
the selected channel/group is displayed continuously
during normal operation.
When an unprogrammed channel is selected,
“UNPROGRAMD” is displayed and a tone sounds (if
tones are enabled). When conventional channels are
tones are enabled). When conventional channels are
selected and the Display Information option key or
menu parameter is programmed, either the channel
frequency or alias can be displayed (see page 18).
menu parameter is programmed, either the channel
frequency or alias can be displayed (see page 18).
Low Battery Indication
NOTE: If the transceiver contains hardware (encryp-
tion) keys, be sure to reattach a battery within approxi-
mately one minute to prevent the loss of these keys.
tion) keys, be sure to reattach a battery within approxi-
mately one minute to prevent the loss of these keys.
A low-battery condition is indicated by the
icon in the display. The battery should be recharged or
replaced as soon as practical after this indication
appears. Once this indication appears, it stays on until
power is cycled.
replaced as soon as practical after this indication
appears. Once this indication appears, it stays on until
power is cycled.
The following additional low battery indications
and conditions may be enabled by programming:
•
A chirp sounds once a minute in the standby and
transmit modes.
transmit modes.
•
A chirp sounds each time the PTT switch is pressed.
•
Top panel LED indicator flashes red every 30
seconds in the receive mode.
seconds in the receive mode.
•
Low power is selected when transmitting.
As indicated in the preceding “Note”, the trans-
ceiver must be connected to a constant power source
to preserve the hardware (encryption) keys in memory.
Since these keys are maintained in memory for only
about 1 minute without a battery attached, be sure to
reattach a battery within that time if these keys are
used. Refer to see page 10 for more information on
encryption keys.
to preserve the hardware (encryption) keys in memory.
Since these keys are maintained in memory for only
about 1 minute without a battery attached, be sure to
reattach a battery within that time if these keys are
used. Refer to see page 10 for more information on
encryption keys.
Backlight
The backlight for the display and option keys can
be programmed to automatically turn on when any key
is pressed. It then automatically turns off after a
programmed delay of 0-7.5 seconds so that battery
drain is minimized. If the Backlight option key or
menu parameter is programmed, it can be used to
manually turn the backlight on and off.
is pressed. It then automatically turns off after a
programmed delay of 0-7.5 seconds so that battery
drain is minimized. If the Backlight option key or
menu parameter is programmed, it can be used to
manually turn the backlight on and off.
Keypad Lock
The Keypad Lock feature is used to temporarily
disable the front panel keys to prevent accidental key
presses. This feature is available if the Keypad Lock
option key is programmed.
presses. This feature is available if the Keypad Lock
option key is programmed.