User's Manual
Table Of Contents
- Installation and Operation Manual
- Tait Contact Information
- Contents
- Preface
- 1 Introduction
- 2 Mechanical Description
- 3 Functional Description
- 4 Installation
- 5 Replacing Modules
- 5.1 Removing the Base Station and Opening the Tray
- 5.2 Replacing the UI Board
- 5.3 Replacing the Receiver Module
- 5.4 Replacing the Transmitter Module
- 5.5 Replacing the SI Board
- 5.6 Replacing the Transmitter and Receiver Fans
- 5.7 Replacing the Fan Power Board
- 5.8 Replacing the Temperature Sensor Board
- 5.9 Replacing the AC Power Supply Unit, Fan and Filter Module
- 5.10 Replacing the Speaker
- 5.11 Final Reassembly
- 6 Connections
- 7 Preparation for Operation
- 7.1 Introduction
- 7.2 Mode of Operation
- 7.3 Line-controlled Base
- 7.4 Talk Through Repeater
- 7.5 RF Modem
- 7.6 Data Repeater
- 7.7 TaitNet Trunking
- 7.8 Programmable Features
- 7.9 Additional Settings
- 7.10 Adding Subaudible Signalling
- 7.11 Soft Off (Tx Tail Time)
- 7.12 Tone On Idle (TOI)
- 7.13 Fan Operation
- 7.14 Channel ID
- 7.15 Relay Polarity
- 7.16 Channel Increment and Decrement by Function Keys
- 7.17 Carrier Wave Identification (CWID)
- 8 Maintenance Guide
- Glossary
- Tait General Software Licence Agreement
- Directive 1999/5/EC Declaration of Conformity
TB7100 Installation and Operation Manual Preparation for Operation 87
© Tait Electronics Limited December 2005
Note If the measured value does not agree with the programmed set-
tings, the transmitter module is either faulty or needs recalibrating.
Maximum
Deviation
When measuring the maximum deviation, the audio input signal can be via
either the balanced or unbalanced audio input.
If CTCSS is to be added, this should be done before carrying out this test.
Refer to “Enabling Subaudible Signalling” on page 115 for instructions.
1. Set up the test set to measure the deviation of the RF signal.
2. Connect the audio output from the test set to the required CTU
audio input.
3. Set up the test set audio generator output to be 1kHz and at the
required level to produce 60% full system deviation (this is the level
used in the audio level adjustment section).
4. Activate the Tx Key switch and verify that the measured deviation is
60% of full system deviation.
5. Increase the test set audio generator output level by 20dB and sweep
the audio frequency from 100Hz to 4kHz.
6. The maximum measured deviation level should not exceed the full
system deviation programmed for the channel.
Note If the measured value exceeds the programmed settings, the trans-
mitter module is either faulty or needs recalibrating.