Daniels Electronics TN100 Руководство по установке и устранению неисправностей - Страница 9
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DANIELS
ELECTRONICS LTD.
ELECTRONICS LTD.
TN100 System Installation and Troubleshooting
Operational Troubleshooting
5.0
Audio Control Cards
5.1
Deviation Between Receiver and Transmitter are Incorrect
1. Check the receiver output level using the extender card and note the impedance, either 600 Ω or 5 KΩ
(refer to the MT-3 Application Specific Manual).
2. Check the transmitter input level using the extender card, and note the impedance, either 600 Ω or
5 KΩ.
3. Reset the audio level on the audio control card for the desired system deviation operation.
5.2
CTCSS Operation Incorrect
1. Check that the front panel switch is in the 'ON' position for CTCSS operation.
2. Encode / decode module can be selected for encode only, decode only or both. Check that the desired
operation is selected (refer to the MT-3 Application Specific Manual).
3. The encode / decode frequency may be wrong. Use the DIP switches to select the correct frequency
for encoding and decoding the same tone. To encode a tone different from the decoder a separate CTCSS
module is used. Set this low current module using solder jumpers.
4. If a sub-audible tone appears on the repeat audio path check that the subtone filter on the audio con-
trol card is enabled or the receiver has its optional sub-tone filter installed.
43 Erie Street
Victoria, B.C.
Canada V8V 1P8
TN100 Rev 3-0-0 Sep 08
TM
TM
Toll Free
Canada & U.S.A.
Phone:
1-800-664-4066
Fax:
1-877-750-0004
© Copyright 2008 Daniels Electronics Ltd. All rights reserved.
TECHNICAL NOTES
MT-3 Radio Systems
International
Phone:
250-382-8268
Fax:
250-382-6139
Internet
e-mail:
web:
www.danelec.com
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