Technisonic Industries Limited TiL-91-DE/8.33, Инструкция по установке и эксплуатации

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4-2
4.1 INTRODUCTION
4.1.1 Transceiver Model TiL-91-DE/ 8.33, P/N 901006-2 with Option 8.33
The Transceiver is a microprocessor controlled VHF/AM transceiver operating over the entire band of
117.975 to 138.000 MHz in 25 KHz steps. The transceiver will store ten user selected frequency
channels in addition to the resident emergency channel of 121.500 MHz. Frequency Selection, Storage,
Recall, Channel Scan, Search, and Toggle modes are all selected by the 12 key keypad. Current
operating frequency is displayed on a backlit liquid crystal display (LCD).Option 2 of Model Til-91-
DE/8.33 P/N 901006-2 with Option 8.33 has an external 9-pin connector installed on the side of its
chassis to support remote Tx/Rx functions..
4.1.2 Scan, Search, and Toggle Modes
1. SCAN MODE - In Scan Mode, the transceiver cycles through the preset Channel Frequencies
and locks on to the first channel received in scan sequence. Audio is enabled for 5 seconds
for operator identification. Pressing the Press-to-Talk switch exits the scan mode. If there is
no operator action then the transceiver remains operating in the scan sequence continuously.
2. SEARCH MODE - In Search mode the transceiver cycles through the preset Channel
Frequencies and locks on to the first channel received in the scan sequence and normal
operation is resumed.
3. TOGGLE MODE - In toggle mode the transceiver alternates between the current channel
selection and the previous channel selected.
4.1.3 Technical Summary
A summary of electrical, operational, mechanical and physical characteristics of the transceiver, is
provided in Table 3-1.
4.2 OPERATOR'S SWITCHES, CONTROLS AND INDICATORS
A view of the front and rear panel is given in Figure 4-1 and 4-2. A functional description of each of
the operator's switches, controls and indicators, and the microphone PRESS-TO-TALK switch, is given
in Table 4-2, Operator's Switches, Controls and Indicators and in Table 4-3, Channel/Function Selector
Keypad.
This section includes a functional description of each switch, control, indicator and connector located
on the front and rear panels of the portable transceiver, including the PRESS-TO-TALK switch located
on the microphone. Operating instructions for transmit/receive and the special functions are also
included.