ACCESSORIES SUPPLIED .................................................3
IMPORTANT INFORMATION ............................................3
EMERGENCY CHANNELS................................................3
TELEMETRY CHANNELS ..................................................3
FEATURES ......................................................................4
GENERAL OPERATION ....................................................5
MC524B Controller Microphone ..............................5
Display....................................................................5
Function Keys ..........................................................5
Volume Key .............................................................5
Transmitting ............................................................6
Squelch ...................................................................6
Squelch Sensitivity ...................................................6
Menu .....................................................................7
Backlighting ............................................................7
Key Beeps ...............................................................7
Signal Meter/Battery Meter .....................................8
Priority Channel ......................................................8
Duplex Operation ....................................................8
Dynamic Volume Control (DVC) ...............................9
CTCSS & DCS .................................................................9
Choosing the CTCSS or DCS Tone ............................9
To select a CTCSS or DCS Tone ..............................10
Enabling CTSS/DCS on a Channel ..........................10
Disabling CTCSS/DCS on a Channel .......................10
MONITORING THE CHANNEL ........................................10
SCANNING ..................................................................11
Scan Groups .........................................................11
Selecting a Scan Group .........................................11
Programming Scan Channels ................................11
OPEN SCAN MODE ....................................................12
GROUP SCAN MODE ..................................................12
Auto Skip .............................................................13
Quick Channel Select ...........................................13
Using two Group Scan or two Open Scan Modes ..13
SELECTIVE CALLING ....................................................13
SelCall Indentification Number (IDENT) .................14
SelCall Ident Labels ..............................................14
The Quiet Mode ...................................................14
USING SELCALL ..........................................................14
Entering a SelCall Ident ........................................14
Call Acknowledge ................................................15
SelCall Memories .................................................15
Labelling your SelCall Idents .................................15
Receiving SelCalls ................................................16
Quiet Mode .........................................................16
Scanning in the Quiet Mode .................................17
GROUP CALLING.........................................................18
INSTALLATION ............................................................19
Antenna Installation .............................................19
DC Power Connection ..........................................21
High Voltage Warning...........................................22
Antenna Connection ............................................22
CTCSS TONE FREQUENCY CHART ................................23
DCS TONE CHART........................................................24
UHF CB OPERATING FREQUENCIES .............................25
SPECIFICATIONS .........................................................26
SC CONTRACT WARRANTY AGAINST DEFECTS ............27
CONTENTS
PA G E 2
I N S T R U C T I O N M A N UA L
T X 3 3 4 5
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