Motorola MaraTrac Advanced Control Head User manual

Motorola
®
MaraTrac
TM
Advanced Control Head
Operating Instructions
1
To Receive:
Turn the control head ON/OFF switch to ON. A tone(s) sounds to indicate the radio
condition (see TONE TABLE). The display indicates the receive mode. Ad ust the
volume with the Vol up/down rocker button. The B SY indicator lights when the
channel has activity.
To Transmit:
Scroll to the desired mode using the Mode up/down rocker button. Press and hold
the PTT button; when the red XMIT indicator comes on, speak into the microphone
in a normal voice. If a tone sounds when you press the PTT button, the system is
alerting you to a certain condition (see TONE TABLE).
TONE TABLE
Tone Cause What To Do
1 High-Pitched Beep at Power-Up Radio Passed Self-Test No Action Necessary
Series of High-Pitched Beeps
at Power-Up
Radio Did NOT Pass
Self-Test
Radio Requires Service;
Notify Service Personnel
1 Low-Pitched Beep Tone Invalid Selection Select Another Button
1 High-Pitched Beep "CHIRP" Valid Selection No Action Necessary
Low Constant Tone When
Pressing PTT *
Transmitting MDC Data Wait for Tone to Complete
Before Talking
Low Constant Tone Upon
Pressing PTT
Blank Transmit Frequency Selected Mode is Receive-Only
Low Constant Tone While
Transmitting
Time-Out Timer Has Expired Transmission Terminated;
Release PTT
* Optional tone dependent on radio programming
Talk-around:
Use the Direct button for talk-around operation. When the Dir indicator is not lit, the
programmed transmit frequency and squelch information are used. By momentarily
pressing Dir (indicator lights), talk-around is enabled and the receive frequency and
squelch code are used for talk-around transmit frequency information. To turn talk-
around off, momentarily press Dir again.
Multiple PL Codes:
Momentarily press the MPL button to turn on multiple PL feature. The MPL indicator
lights and the selected code is momentarily displayed. When MPL is active, the
selected code overrides the mode-slaved Tx and Rx squelch codes. To turn MPL
off, momentarily press MPL again. To change the selected MPL code, press and
hold the MPL button until a "chirp" sounds and the MPL indicator flashes to indicate
you are in the MPL "configuration" mode. Use the Mode up/down rocker button to
scroll to the desired MPL code. The new displayed MPL code pair becomes

Motorola
®
MaraTrac
TM
Advanced Control Head
Operating Instructions
2
immediately active (even before exiting the configuration mode). To exit the
configuration mode, press either the MPL or the Home button.
Monitor VHF/ HF:
The system defaults to coded-squelch operation on power-up. To change to carrier
squelch, momentarily press the Mon button; a single "chirp" sounds and the Mon
indicator lights up. Return to coded-squelch by momentarily pressing Mon again. To
un-squelch the radio, press and hold Mon until a second "chirp" sounds. Ad ust the
volume with the Vol up/down rocker button. Momentarily press Mon again to return
to coded squelch operation.
Low Band Radio with Adjustable Squelch:
The ad ustable squelch control feature allows the operator to ad ust the squelch
threshold, via a squelch control knob located on the control head.
• Coded-Squelch Operation
The radio defaults to coded squelch operation upon powering up. To change to
ad ustable carrier squelch, if Private-Line
®
(PL) or Digital Private-Line
®
(DPL) is
programmed, momentarily press the Mon button; a single "chirp" sounds and the
Mon indicator lights. Return to coded squelch by momentarily pressing Mon again.
To un-squelch the radio, press and hold Mon until a second "chirp" sounds. Ad ust
the volume with the Vol up/down rocker button. Momentarily press Mon again to
return to coded squelch operation.
• Carrier-Squelch Operation
Rotate the squelch-control knob to the fully counterclockwise position. When the
channel is clear, slowly rotate the squelch-control knob clockwise until the noise
stops. This is the threshold squelch setting. The operator may ad ust the squelch
knob to reduce interference when necessary.

Motorola
®
MaraTrac
TM
Advanced Control Head
Operating Instructions
3
Scan:
Press the Scan button to turn scan on; a "chirp" sounds and the Scan indicator
lights (solid) indicating the system is scanning. Momentarily press Scan again to

Motorola
®
MaraTrac
TM
Advanced Control Head
Operating Instructions
4
turn scan off. When on a preset internal scan list or an operator selectable scan list
the radio scans for activity. While scanning, if activity on the priority mode is
detected, the Pri indicator flashes. When activity is detected on a non-priority mode,
the Non-Pri indicator lights up solid.
Scan with talkback:
When talkback scan is enabled by programming, after activity has ceased, the radio
will suspend scan and stay on the same channel for the duration of receive talkback
hang-time. Priority sampling will continue. The Priority indicator/B SY indicator will
show priority information. Whenever the PTT button is released and the radio de-
keys, scan will be suspended and stay on the same channel for the duration of
transmit talkback hang-time. Priority sampling will continue. If the PTT button is
pressed while scan is suspended in hang-time, the radio will key up on the last
mode that had activity. Priority indicators will show priority information. The display
will show the channel that had activity. After the talkback hangtime is expired, the
radio will resume scan.
Edit ser's Scan List:
Press and hold the Scan button until a "chirp" sounds. The Scan indicator flashes to
indicate scan "configuration" mode. Use the Mode up/down rocker button or Rcl
(recall) to review the user's scan list. The Pri indicator flashes when the priority
mode has been selected or the Non-Pri indicator lights solid when a non-priority
mode has been selected. Use the Sel button to scroll from "not-in-the-list" to "non-
priority" to "priority" and back to "not-in-the-list". The effect each Sel button press
has on a selected mode's scan list is explained in the following table.
If Condition Is: One Sel Press Will: Indicators Change To:
Selected Mode NOT
in the List
Add Mode to the List as
Non-Priority
Non-Pri lights (Pri Off)
Selected Mode in List
as Non-Priority
Raise Mode's Status to
Priority *
Pri flashes (Non-Pri off)
Selected Mode in List
as Priority
Delete Mode from List Both lights off
* If another mode was previously designated as a priority mode, the previously
designated priority mode's status is lowered to non-priority when you exit the
configuration mode.
To exit the configuration mode and simultaneously save the scan list changes,
momentarily press the Scan or the Home button.
Home Mode:
Use the Home button to select the internally programmed Home mode and to exit
any configuration mode.

Motorola
®
MaraTrac
TM
Advanced Control Head
Operating Instructions
5
Dimmer Button:
Pressing the DIMmer button once dims the display's brightness. Pressing the
DIMmer button a second time returns the display back to full brightness.
Standard Features Note:
PL Channel Scan
TM
, talk-around, Quik-Call II
TM
and Stat-Alert
TM
decode features are
shipped from the factory disabled and require field programming. Refer to the
MaraTrac Radio Service Software and Radio Signaling Options manuals for
programming instructions.
Stat-Alert
TM
and Quik-Call II
TM
Operation Procedures:
• Call AlertTM
When a Call Alert is received, four beeps sound every five seconds and the armed
external alarms* will operate. The display flashes "CA". To clear the alarms, take the
microphone off-hook or press the Mon button. The display shows the current mode
number. If scan was on the display shows the priority mode. To reply to the Call
Alert, press the PTT button.
• Selective Call
When a Selective Call is received, the radio will beep twice. The display flashes
"SC". A voice message will follow.
Wait until the voice message is complete. The display stops flashing and shows the
current mode number. Pick up the microphone, press the PTT button and reply to
the Selective Call.
Telephone Interconnect:
Requires DTMF Microphone and DTMF Decoder Kit installed
When a phone call comes in, telephone-type ringing sounds and the armed external
alarms* will operate. The display flashes "PH".
To respond, pick up the DTMF microphone and enter the connect code (normally
the "*" button), press the PTT button, and speak into the microphone. To listen,
release the PTT button. Explain to the land-line caller that they must wait until you
release the PTT button (indicated by a soft beep) before they can speak.
When the call is complete, enter the disconnect code (normally the "#" button) and
hang up the microphone.
* External Alarms:
When the external alarms option is installed in a VHF or UHF MaraTrac radio, the
horn and lights can be activated by pressing the H/L button. To change this

Motorola
®
MaraTrac
TM
Advanced Control Head
Operating Instructions
6
configuration, press and hold the H/L button until the radio enters the select mode (a
single "chirp" will sound). Use the Mode up/down rocker button to change the
desired horn and lights setting. Once the desired setting has been selected, press
the Home or H/L button to exit and return to normal operation. When a Call Alert is
received, the external alarms will respond with your selected alarm setting.
On a low band radio with ad ustable squelch, pressing the H/L button activates both
the horn and lights; they are not independently selectable.
Single Tone
TM
Encode:
Requires Single Tone Kit installed
• To Select Single Tone:
To select Single Tone, momentarily press the ST button on the control head. The
radio sounds one beep and displays the selected tone for two seconds. The red
indicator under the ST button will light.
• To Send Single Tone:
Press the PTT button. The talk inhibit side-tone will be heard if it is programmed to
enable. The selected tone will be displayed for the duration of the tone if the display
tone on PTT is programmed to enable. Wait for the Single Tone to complete, then
speak normally in to the microphone.
• To Turn Off Single Tone:
To turn off Single Tone, momentarily press the ST button on the control head. The
radio will sound one beep and the red indicator light under the ST button will be off.
• To Enter Configuration Mode:
To enter the configuration mode, press and hold the ST button on the control head
until the radio beeps and the red indicator under the ST button flashes. The display
will show the selected tone. Use the Mode up/down button to scroll through the
available tones.
• To Select a Tone and Exit Configuration Mode:
Press the ST button, or the Home button, to exit configuration mode and to select
the Single Tone currently displayed.
NOTE
If Single Tone is selected, and you scroll to a non-Single Tone mode, the ST
indicator will be off until you reach a mode with Single Tone.