Midland Radio 918100R, 917100B, 917100R Users manual
Operators Manual for the P25
Base Tech III Base/Repeater Station
October 2008
Version 5.0
680-090-2042
www.midlandradio.com
Introduction
We thank you for choosing the Midland P25 Base Tech III Base/Repeater Station to
meet your communication needs. Properly used, this product will give you many years
of reliable service. To get the most out of your purchase, be sure to carefully read this
manual before operating the radio.
The overall operation of this radio depends entirely on how it has been programmed. If it
is not functioning as desired, please check the programming first.
This manual covers up to firmware version 71BS241
If you should need Midland Technical Support, please call 1-816-462-0463 or
lmrservice@midlandradio.com
Other useful Midland numbers;
Main Line- 816-241-8500
Main Fax- 816-241-5713
LMR Sales- 816-462-0462
Credit Dept- 816-462-0464
Technical Support and Engineering Fax- 816-241-3272
Warranty Service- 816-462-0438
We welcome any comments on how we may improve our products to better server our
customers.
______________________________________________________________________________
WARNING:
outdoor permanent structures with a separation distance of at least 6 meters from all
persons during normal operation. The peak conducted output power at each antenna
terminal must not exceed 250 Watts and the peak radiated output power must not
exceed 1000 Watts EIPR. Users and installers must ensure that FCC requirements for
satisfying RF exposure compliance are met. (See FCC Rules Part 1, Sections 1307 and
1310)
NOTICE: The AMBE+2 ™ voice coding Technology embodied in this product is
protected by intellectual property rights including patent rights, copyrights and trade
secrets of Digital Voice Systems, Inc. This voice coding Technology is licensed solely
for use within this Communications Equipment. The user of this Technology is explicitly
prohibited from attempting to extract, remove, decompile, reverse engineer or
disassemble the Object Code, or in any other way convert the Object Code into a
human readable form. U.S. Patents Nos. #5,870,405, #5,826,222, #5,754,974
#5,701,390, #5,715,365, #5,649,050, #5,630,011, #5,581,656, #5,517,511, #5,491,772,
#5,247,579, #5,226,084 and #5,195,166.
The antenna(s) used for this transmitter must be fixed-mounted on
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Table of Contents
1. LCD Display
2. LED Display
3. Key Controls
4. Programming
5. Control Knob
6. Channel Selection
7. P25 Calling Selection
8. P25 PTT Mode
9. P25 Conventional Messages
10. P25 Squelch Adjustment
11. Talk Group ID Alias
12. Key lock
13. Manual CWID Start/Stop
14. DTMF Encode
15. Analog Channel Data
16. P25 Channel Data
17. Bar Graph/Channel Display
18. LCD Backlight Toggle
19. Changing TX Power
20. Caller ID
21. Emergency Call Reception
22. Repeat Mode
23. Base Mode
24. Remote Control
25. P25 Test Mode
26. Adjustment Mode
27. Key Test
28. Displaying Firmware Version
29. Displaying Serial Number
30. Displaying Program Software Ver
31. Data Check
32. Error Messages
33. Firmware Error Detection
34. RS232 Error Detection
35. DSP Error Detection
36. Option Port Pinout
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1. LCD DISPLAY
1.1 LCD display consists of 4 x 20 characters as shown.
Line 1: The Incoming RSSI with 10 steps
Line 2: The output power levels with 10 steps
Line 3: The left 4 letters show channel numbers. The middle 8 letters
shows the channel name (if not programmed, it will be blank).
The right 4 letters displays the status of the radio as described below.
a. RX mode: M= Mix, both analog and digital can be received
D= Only digital can be received.
b. TX mode: D=PTT digital transmission A=PTT analog transmission
c. Monitor mode: ⌧= Monitor off
S= Selective squelch
d. P-25 squelch: N= Normal squelch
S= Selective squelch
e. Low Voltage Icon:
= Low Voltage state (Icon flashes with ALM LED)
f. Key lock mode: =Key lock (Not displayed if in Low Voltage alarm)
g. Shift mode: SHIFT KEY ICON (reverts to normal within 2 seconds)
Line 4: The left 2 letters show GPC (GROUP CALL), AC (ALL CALL),
IC (INDIVIDUAL CALL).
The right 18 letters displays the GROUP NAME, INDIVIDUAL
NUMBERS, ETC.
RX = = = = = = = = = =
TX = = = = = = = = = =
C001 TAC 2 MD⌧N
GPC 500
2. LED DISPLAY
The Midland Base Tech III has 5 LED's
From left to right;
DIGI= The LED is on when receiving a digital signal
REP= The LED is on when in repeat mode.
(The BASE TECH III can be programmed for,
SIMPLEX -SEMIDUPLEX - DUPLEX- REPEATER on a per channel basis.)
ALM= The LED flashes when an error on either TX or RX occurs
TX= The LED is on when in Transmit
BUSY= The LED is on when receiving a signal.
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3. KEY CONTROLS
3.1 Key entry without SHIFT key
0-9: channel numbers and individual call address (target address)
A: P-25 calls (Group Call, All Call, and Individual Call)
B: The beginning and the end of individual call number
C: No function
D= P-25 mode (analog or digital TX)
*= Cancel channel number, individual number
#= Ending channel number, individual number
CH= Channel number entry, depress CH, then 0-9 for channels
F (Scan) = P25 Conventional Control Messages (SBC)
MON= monitor ON or OFF
Rotary knob: Volume, Squelch, Back Light Dimmer and Timer
3.2 Key entry
following SHIFT key
0= P-25 test mode start and finish
1=back light ON/OFF
2=TX power Hi/LOW
3=Talkaround ON/OFF
4=No function
5=No function
6=No function
7=Indicates Analog channel data
8=Key lock ON/OFF
9=No function
A=Manual CWID send key
B=Programmed CWID Start/Stop key
C= No function
D= No function
*= Indicating P-25 data (while depressed)
#= DTMF Entry
CH= Toggle Bar-Graph or TX RX Frequencies
F (Scan) = SBC (Conventional Control Messages) Mode / Emergency Call
MON = P-25 squelch normal or selective and analog MONITOR modes.
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4. PROGRAMMING
The Midland Base Tech III must be programmed with Windows 2000, XP or Vista
operating system.
The 91-1480CD software and 91-1303B programming cable are required to
program the radio and are available through your Midland dealer or LMR Sales
Department.
Note: During actual data transfer the radio will not operate but should be complete
within 30 seconds or less.
5. CONTROL KNOB
5.1 VOLUME
Rotate the knob to change the volume level.
The volume level varies from 0 to 34. If the local speaker is active, the audible beep
level will change as the knob is rotated.
Figure 3 shows the Volume at level 12
RX
TX
C001 TAC 2 MD⌧N
Volume-12
Figure 3
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5.2 SQUELCH CONTROL
Push the rotary knob once to select the squelch level and then turn the knob to vary
the level from 0 to 15. 0 is open squelch.
Figure-4 shows the Squelch at level 6
RX
TX
C001 TAC 2 MD⌧N
Squelch-6
Figure 4
5.3 LCD BACKLIGHT DIMMER
Push the rotary knob twice to select the dimmer level and then turn the knob to
select a level from 0 to 15, 0 is the darkest.
Figure-5 shows the Dimmer at level 5
RX
TX
C001 TAC 2 MD⌧N
Dimmer-5
Figure 5
5.4 LCD BACKLIGHT TIMER
Push the rotary knob three times to adjust the Backlight Timer. The Time varies from
0 to 30 seconds. This function is inactive when the Backlight has been turned on
with SHIFT + 1 (Backlight ON/OFF).
Figure-6 shows the Backlight Timer set for 15 seconds
RX
TX
C001 TAC 2 MD⌧N
Light-15
Figure 6
6. CHANNEL SELECTION
The Midland Base Tech III has capability of up to 500 channels.
Press CH, and then enter the channel number.
Example-1 CH-8;
Press CH + 0 + 0 + 8 or CH +8 + #
Example-2 CH-500; Press CH + 5 + 0 + 0
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7. P-25 CALLING SELECTION (Digital Base Mode Only)
Press and release A repeatedly to scroll through the menu
Radio displays GPC 00001= Group 1 Call, GPC everygroup= All Call,
IDC--------- = Individual Call
Figure-7 Shows Talk Group Identification (TGID), Group 1 Call
Figure-8 shows an All Call (everygroup), to everygroup on the same NAC
Figure-9 Shows an Individual Call, to and individual unit ID on the same NAC.
(Refer to Section 11, Figure 11 and 12 for ID entry).
RX
TX
C001 TAC 2 MD⌧N
GPC 00001
Figure 7
RX
TX
C001 TAC 2 MD⌧N
GPC everygroup
Figure 8
RX
TX
C001 TAC 2 MD⌧N
IDC -------------------
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Figure 9
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7.1 INDIVIDUAL CALL ENTRY (Digital Base Mode Only)
Press and release A repeatedly until IDC----- is displayed.
Press B, and enter the numerical Unit ID.
To deleted a digit,
Press the star ( * ) key
Press B or # to complete entry.
Figure-10 shows entry start, when B is pressed
Figure-11 shows completed entry, 1 + 2 + 3 + 4 + 5 + B
RX
TX
C001 TAC 2 MD⌧N
IDC __
Figure 10
RX
TX
C001 TAC 2 MD⌧N
IDC 12345
Figure 11
8. P-25 PTT MODE
Press D to select PTT (Push-To-Talk), mode.
When the display shows PTT is Analog, the radio
transmits in analog mode.
When the display shows PTT is Digital, the radio transmits in digital mode.
Figure-12 Shows Analog
Figure-13 Shows Digital
RX
TX
C001 TAC 2 MD⌧N
PTT is Analog
Figure 12
RX
TX
C001 TAC 2 MD⌧N
PTT is Digital
Figure 13
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9. P25 CONVENTIONAL CONTROL SIGNALLING (SBC) (Digital Base Mode Only)
Please note: SBC functions are selectable in the Programming Software.
The Base Tech III has been developed to work with any P25 radio under the TIA
specifications. However not all subscriber radios have the capability of these
functions.
9.1 EMERGENCY MODE TX-
Press and hold the F key to send an EMERGENCY call. (Note: The radio will
transmit on the programmed EMERGENCY channel not necessarily the channel
that appears on the display.)
Reboot the radio to clear the Emergency Alert.
EMERGENCY MODE RX-
To clear a received Emergency call, Press and release F twice.
Press F to enter the SBC mode.
Key functions after entering menu selection;
Press A for the next and B for the previous menu item.
C stops transmission (The radio transmits the SBC 4 times until acknowledged.)
D moves the cursor between items within the selection.
* deletes the last digit.
# transmits the selected SBC mode.
Please Note: When the radio is in SBC mode, it can receive Group calls, All Call and
Individual calls but no source address (caller unit ID), is displayed.
Emergency calls can be received when in SBC mode but the radio gives priority to
Radio Inhibit. Both Emergency and Radio Inhibit are ignored when in SBC
transmitting mode.
The radio will revert to normal operation if no key is pressed for 10 seconds.
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9.2 CALL ALERT-
To send a Call Alert, Press F then Press A or B until the selection is displayed,
then enter the target ID of the radio to alert and Press #. If the target radio has
received the Call Alert the display should show “ACK” (acknowledgement).
Figure 14 displays a Call Alert ACK
Call Alert
To: 366
MD⌧N
Fm: 00000366 (ACK)
Figure 14
9.3 RADIO CHECKThe dispatcher can send a message to a subscriber unit requesting a response from
the radio (for example, to check if it is in operation).
To initiate a Radio Check, Press F then Press A or B until the selection is
displayed, then enter the target ID of the radio to alert and Press #. If the target radio
has received the Call Alert the display should show “ACK” (acknowledgement).
Figure 15 shows Radio Check Display.
Radio Check
To:_
MD⌧N
Fm: 00000366 (ACK)
Figure 15
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