E F Johnson Company 2425341 Benutzerhandbuch
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CONTROLS AND DISPLAY
SECTION 2 CONTROLS AND DISPLAY
Figure 2-1 Front Panel Controls
Six Option
Switches
Display
Microphone
PTT Switch
Speaker
Select
Switch
Switch
On-Off/
Volume
Volume
Multi-function
Indicator
Six Option
Switches
Display
Microphone
PTT Switch
Speaker
Select
Switch
Switch
On-Off/
Volume
Volume
Multi-function
Indicator
2.1 FRONT PANEL CONTROLS
On-Off/Volume - Pressing this control turns power on
and off, and rotating it sets the volume level.
and off, and rotating it sets the volume level.
Select Switch - Selects zones/channels and is also
used for other functions such as selecting names from
a call list. When selecting zones/channels, a bar above
the zone or channel display (see Figure 2-3) indicates
which is being changed. This bar is switched between
displays by pressing this switch, and zone and chan-
nels are selected by rotating it (see “Zone/Channel
Select” on page 13).
used for other functions such as selecting names from
a call list. When selecting zones/channels, a bar above
the zone or channel display (see Figure 2-3) indicates
which is being changed. This bar is switched between
displays by pressing this switch, and zone and chan-
nels are selected by rotating it (see “Zone/Channel
Select” on page 13).
Multi-function Indicator - This is a two-color LED
that indicates the following:
that indicates the following:
Red (constant) - Transmitter keyed (PTT switch
pressed).
Green (constant) - Busy condition (carrier detected
in receive mode).
NOTE: This indicator is disabled when the Surveil-
lance mode is programmed (see Section 4.9).
lance mode is programmed (see Section 4.9).
Option Switches - Each of the six options switches on
the front panel (including the one located to the left of
the display) can be programmed by your system oper-
ator to control some function. The switch functions
can be different for each operating mode (conven-
tional, SMARTNET/SmartZone, and Project 25
Trunked). Therefore, up to 18 functions can be
controlled by these switches. Refer to Section 4.1 for
more information on option switch functions.
the front panel (including the one located to the left of
the display) can be programmed by your system oper-
ator to control some function. The switch functions
can be different for each operating mode (conven-
tional, SMARTNET/SmartZone, and Project 25
Trunked). Therefore, up to 18 functions can be
controlled by these switches. Refer to Section 4.1 for
more information on option switch functions.
Speaker - An internal 16-ohm, 5-watt speaker is
located behind the grille. An optional 4-ohm, 12-watt
external speaker may be used if desired. The internal
speaker is disabled when an external speaker is used.
located behind the grille. An optional 4-ohm, 12-watt
external speaker may be used if desired. The internal
speaker is disabled when an external speaker is used.
PTT Switch - This push-button switch on the micro-
phone is pressed to talk (key the transmitter) and
released to listen.
phone is pressed to talk (key the transmitter) and
released to listen.