| Service Bulletin # |
Topics |
Product Description |
Product Model Numbers |
| SB-0005-A |
8W Amp modification to prevent oscillation |
8W 400 MHz TX Amplifiers |
- A23-UPA420-08
- A23-UPA460-08
- UT-3/420-CX0X00
- UT-3/460-CX0X00
- UT-3/460-SXCX00
|
| SB-0006-A |
Power connection failure |
VHF, UHF 30 W power amps shipped prior to April 1995 |
|
| SB-0007-A |
8 W Amp Power output alarms |
VHF 8 W Amplifier included in the MT-3 VHF TX |
|
| SB-0008-A |
Fixing lock-up problem when the TX is powered up |
MT-4D Receivers programmed with RSS4D-R version 1.1 |
- VR-4D150-R0-00
- VR-4D420-R0-000
- programmed with RSS4D-R version 1.1
|
| SB-0010-A |
P25 Module Programmer Intermittent Electrical Problems |
P25 Module Programmer |
|
| SB-0011-A |
Component failure |
Paging Modulator Card |
|
| SB-0012-1-0-0 |
New Firmware upgrade to recognize Hexadecimal switch in MSB position |
Channel Programmer |
|
| SB-0013-1-0-0 |
RSS MT-4D will display runtime error when using USB to Serial adapter |
P25 Module Programmer |
|
| SB-0015-1-0-0 |
RSS MT-4D will display model number error when trying to read/write to MT-4D unit |
All P25 Radios |
- All MT-4D Radios
- All MT-4R Radios
|
| SB-0016-1-0-0 |
Fails to change channel until second PTT |
All MT-4D Radios |
|
| SB-0018-1-1-0 |
Paging Modulator TCXO Short |
Paging Modulator Card
(Units with Raltron OCXOs with date codes less than 0610) |
|
| SB-0022-1-0-0 |
Fails to generate test pattern for testing C4FM Modulation Fidelity |
All MT-4D TX's |
|
|
SB-0029-1-0-0 |
Trouble changing channels with tone remote adaptor from a non-Telex/Vega tone remote. |
MT-4 Base Control Module |
- CI-BC-4E-00 (prior to s/n 10190)
|
