Basic Features GM300 Radio Service Software Manual
4-16 6880902Z36-B October, 1996
GM300 Features
4
Tx Squelch T
ype
RSS LOCATION
DEFINITION Determines the form of continuous subaudible code the radio will transmit.
DEFAULT/CHOICES Default: CSQ
Choices: ■ CSQ ■ TPL ■ DPL ■ INV.DPL
CSQ Carrier Squelch. For receiver to unmute all carriers, transmit no spe-
cific signal.
TPL If you want the receiver to unmute only specific carriers with specific
codes, use TPL or DPL. For TPL you can type either the frequency in
MHz or a 2-digit tone code (see Appendix C).
DPL If you want the receiver to unmute only specific carriers with specific
codes, use TPL or DPL. For DPL, enter a 3-digit tone code (see
Appendix C).
INV.DPL Inverted DPL is only needed if a customer's system has an audio path
“flipped”.
DEPENDENCIES Tx Frequency
EXCEPTIONS When Tx Frequency = blank, this field is not available.
RECOMMENDATIONS Use when you want to have multiple groups using same the frequency or when
you want more privacy.
WARNINGS Do not use Inverted DPL (INV.DPL) for new systems! Inverted DPL is needed
only for special applications, such as a “flipped” audio path or a multi-hop
repeater.
SEE ALSO Tx Squelch Code, Tx Frequency
PROGRAMMING PROCEDURE
1. Press F4 at the MAIN MENU to get to the
CHANGE/VIEW CODEPLUG MENU.
4. Press Tab (or Enter or Return) key until the Tx
Squelch Type field is highlighted.
2. At the CHANGE/VIEW CODEPLUG MENU,
press F5 to get to the MODE CONFIGURATION
screen.
5. Use the ↑ ↓ arrow keys to select the desired
Tx Squelch Type.
3. At the MODE CONFIGURATION screen, select
the mode number for which you want to pro-
gram the desired Tx Squelch Type by pressing
either the F3 or F4 keys until the desired mode
# is displayed in the Name field.
6. To change the Tx Squelch Type on other modes,
repeat steps 3-5.
MAIN
MENU
MODE
screen
CONFIG
field
Tx Squelch Type
➠
F4
➠
F5
➠
Tab
CHANGE/
VIEW
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