3-7
3.3
GENERAL OPERATING INSTRUCTIONS
3.3.1 Preparation for Use
To prepare the transceiver for use (Refer to Figures 1-2, 3-1 and Table 3-1).
(1)
Location for Transmit/Receive Operation.
The VHF frequency band is essentially line of site communication. When selecting a
location there should be no obstacles between the communicating radio sites. Objects
greater than two metres will reflect The RF signal and foliage greatly attenuates signal
strength. The blade antenna should be positioned as vertical as space permits for
optimum performance. A wing nut is provided on the Blade antenna for this adjustment.
WARNING
Do not make physical contact with antenna when
transmitter is on. This unit can produce up to 20 Watts
of power when operated in High Power Mode.
(2)
Open front access cover by levering the clip fasteners toward front of case. For Local
Operation Remove Microphone and install in Microphone (PTT) connector.
(3)
Ensure that transceiver POWER ON/OFF switch is set to OFF.
(4)
Remove AC Cord from front access cover and install in AC chassis connector on rear
panel or install External DC Cable in External DC chassis connector on rear panel as
required.
(5)
Remove Blade Antenna from front access cover. Install antenna in rear panel chassis
BNC connector. Adjust Antenna using wing nut for vertical polarization.
(6)
Select Local/Remote Operation (Applies only to older 91-DE units with a front panel
Local/Remote switch). Newer units operate in local and remote modes simultaneously.
(a)
For LOCAL operation set LOCAL/REMOTE switch to LOCAL.
(b)
For Remote Operation Connect Land Line to D connector provided on rear of
Portable Case. Set LOCAL/REMOTE switch to REMOTE.
NOTE
Refer to appropriate Operating Instructions for use with
Remote Control Unit.
NOTE
The following operating procedures are intended
specifically for Local Operation.
Summary of Contents for TiL-91-DE/S
Page 6: ...1 2 Figure 1 1 TPS 250 Portable Transceiver General View Closed Open View...
Page 7: ...1 3 Figure 1 2 Transceiver Front Cover Assembly...
Page 14: ...2 2 Figure 2 1 Battery Installation and Removal...
Page 18: ...2 6 Figure 2 2 Fixed Channel Jumper Locations...
Page 20: ...2 8 Figure 2 3 Remote Operation Jumper Locations...
Page 25: ...3 2 Figure 3 2 Transceiver Front and Rear Panel Layout...