Quick Reference Guide
Table Of Contents
- 1Unpacking and Checking
- 2Radio Overview
- 3Operations
- 4CPS-Menu
- 5Common Setting
- 6Conventional Setting
- 6.1.1Conventional Setting-Password
- 6.1.2Conventional Setting-Zone
- 6.1.3Conventional Setting-Channel-Digital Channel
- 6.1.4Conventional Setting-Channel-Analog Channel
- 6.1.5Conventional Setting-Multi CTC/CDC
- 6.1.6Conventional Setting-Contact
- 6.1.7Conventional Setting-Network-Network
- 6.1.8Conventional Setting-Network- Local Access Managem
- 6.1.9Conventional Setting-Network-Multisite Access Mana
- 6.1.10Conventional Setting-Network-Application Programmi
secret▲
All rights reserved.No spreading abroad without permission of Caltta.
21
Preamble is a string of bits added in front of a data message or control message
(Text Messaging, Private Call, etc.) before transmission. This preamble prolongs the
message in order to increase the chances of the message being detected by the
receiving radio. The preambles as set in Tx Preamble Duration are sent in second attempt
(that is retry) of a transmission. (TX) Preamble Duration costs channel resource,
users can set it according to your needs and in different mode of radio operation, such as
scanning to increase the scan landing success rate. This is a radio-wide feature
Range: 0~8640ms
Default: 960ms
Step: 60ms
SIT
This option allows users to set how long the repeater will continue transmitting with
absence of subscriber activity on the uplink. The Subscriber Inactivity Timer (SIT) starts
when the repeater is activated and stops if activity is detected on either Slot 1 or 2. If no
activity is detected on either Slot 1 or 2, the timer restarts. When this time expires, the
repeater enters an IDLE status and waits for the next activation.
Range: Always/4.0~30.0s
Default: 4s
Step: 0.5s
Vocoder
This parameters sets the vocoder of the radio.
Options: AMBE++ and NVOC. Default: NVOC.










