E F Johnson Company 2425130 Benutzerhandbuch

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CONTROLS AND DISPLAY
7
May 2002
Part No. 002-5100-100
Top Panel Controls
Figure 2   Top Panel Controls
Multi-Function Indicator - Indicates the following
conditions:
Steady Red - Transmitter keyed.
Flashing Red - Low battery in receive mode.
Steady Green - Carrier detected in receive mode.
On-Off/Volume - Turning the knob clockwise turns 
power on and sets the volume level. Turning it coun-
terclockwise to the detent turns power off. The 
minimum volume level can be set by programming.
Channel Switch - This 16-position switch selects up 
to 16 channels in the current zone. Additional zones 
can be programmed to allow up to 500 channels to be 
selected by this switch. 
Rotary Option Switch - This is a three-position 
switch that can be programmed to control various 
options. The “A” and “B” positions are “off” and “on”, 
respectively, and the “C” position is not used (see 
page 11)
Antenna Connector - Connection point for the 
antenna. Make sure the antenna is tight before using 
the radio.
Emergency Key - This key or some other option key 
can be programmed as an Emergency key to alert a 
dispatcher of an emergency condition. Refer to pages 
18 and 28 for more information. This key can also be 
programmed for other functions.
Side Controls
Figure 3   Side Controls and Jacks
PTT (Push-To-Talk) Switch - This switch is pressed 
to turn the transmitter to transmit a message. It is then 
released to listen. Transmitting is indicated when the 
top panel indicator is constant red. 
Option Keys 1, 2, and 3 - Each of these keys can be 
system operator programmed to control a specific 
function (see page 11).
Battery - To remove the battery, press the release 
button on the bottom and rotate the bottom of the 
battery outward.
Accessory Connector - Connection point for optional 
accessories such as a speaker/microphone or earphone. 
Emergency
(Option)
Power On-Off/
Volume Adj
Channel
Switch
Antenna
Connector
Option
Switch
Key
Multi-Function
Indicator
Option Keys
PTT Switch
Battery Pack
Accessory
Connector
1
2
3