User's Manual

APPLIED TECHNOLOGY SOLUTIONS, INC.
DOCUMENT: fcc1250MAN.wpd ISSUED:jan99 REVISED: (ORIGINAL) PAGE: 3
SECTION TWO
INSTALLATION
2.0 GENERAL
The Series 1250 Transmitters are designed for body worn or concealment applications. The Series 1250
Transmitters include an internal microphone and have connectors for antenna and power as well an external microphone.
In its basic, or Naked, configuration, the user must connect antenna and power to the unit using the connectors.
2.1 CHANNEL SELECTION
Channel Selection for the Series 1250 Transmitters are factory pre-set. The Series 1250 Transmitters can be
provided for operation on Channel A or B. Channels A and B are the standard System 1200 channel assignments. Operating
on these channels permits the other System 1200 devices, i.e. the Models 12454 and 1225 to receive Series 1250
transmissions directly. The Series 1250 channel assignments are:
Model 1252 Channel A Center Frequency: 906.75 MHz
Model 1253 Channel B Center Frequency: 923.25 MHz
2.2 POWER
The Model 1250-04 J- Battery Holder or Model Extended Service case1250-45 can be ordered for the Series 1250
Transmitters. The Model 1250-04 battery uses a standard J size, 7K-6V alkaline battery. The Model 1250-45 Extended
Service Case uses 4 AAA batteries. The Model 1250-09 Power Converter can be used with the J-Battery Holder. This
permits the user to connect the unit to DC power sources, ie DC automobile power.
2.2.1 Model 1250-04
The Model 1250 transmitter slides into the Model 1250-04 Battery Holder. While applying slight pressure, the
antenna is snapped into the mating connector on the 1250 and the captive screw tightened. To remove the transmitter, again
apply slight inward pressure, loosen captive screw on antenna and remove antenna. Model 1250 should slide out of battery
holder. J-Battery should be inserted at slight angle. Battery can only be inserted in one direction.
2.2.2 Model 1250-45
The Model 1250 slides into the Model 1250-45 Extended Service Case. The connector form the case lid is
snapped into the Model 1250 RF connector and screwed in. This holds the assembly in place. After batteries are loaded
into the battery holder, the holder is locked in place by pressing the clips inward, towards the middle and sliding the holder
into place.
2.2.3 Activation
With the shorting plug installed, and when using the J battery holder, the Model 1250 is powered on when the J
battery is installed. When using the Model 1250-45 Extended Service Case, the On/Off switch located on the underside of
the case must be moved to the ON position. Alternatively, the shorting plug can be removed and an external On/Off switch
connected.
2.3 ANTENNA