GME TX6500S - Manual (Page 16)

1 6 I N S T R U C T I O N M A N UA L T X 6 5 0 0 S
Simplex/Duplex Range Comparison
CHANNEL 31
CHANNEL 1
CHANNEL 1
CHANNEL 31
VEHICLE
SIMPLEX
REPEATER
OPERATION
VEHICLE
REPEATER
STATION
The Duplex function operates only on designated repeater channels. These are channels 1 – 8 and
41 – 48. When Duplex is selected on one of these channels, the TX6500S will receive on the selected
channel but will transmit 30 channels higher. i.e if channel 1 is select the TX6500S will receive on
channel 1 but transmit on channel 31. See the table below.
Channel
Selected
1 2 3 4 5 6 7 8 41 42 43 44 45 46 47 48
Receive
Channel
1 2 3 4 5 6 7 8 41 42 43 44 45 46 47 48
Transmit
Channel
31 32 33 34 35 36 37 38 71 72 73 74 75 76 77 78
The TX6500S allows you to select duplex operation individually on each channel. This allows you to
select Duplex only on repeater channels that are allocated in your area while the rest can be used for
normal simplex or direct radio-to-radio communications.
To select Duplex on a repeater channel
1. Select the required channel 1 – 8 or 41 – 48.
2. Briefly press the key followed by the key. will appear on the display accompanied
by a high beep.
To remove Duplex from a channel
1. Select the required channel 1 – 8 or 41 – 48. will be visible on the display.
2. Briefly press the key followed by the key. will disappear from the display
accompanied by a low beep.
SCANNING
OVERVIEW
The TX6500S is provided with a Scan function to allow groups of user programmable channels to be
scanned for signals. Channels can be scanned at up to 40 channels per second. When a signal is
found, scanning will pause to allow the signal to be heard and will resume scanning when the channel
is clear again.
SCAN GROUPS
The TX6500S features three scan groups – Open Scan, Group Scan and Network Scan.
To quickly determine which channels are currently programmed into the selected scan group.
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