Midland Radio 914050B, 914100B, 914100D, 914100C Users manual
OPERATOR'S MANUAL
BASE TECH III BASE/REPEATER STATION
P25/ANALOG
December, 2006
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.
Attention: The antenna(s) used for this transmitter must be fixed-
mounted on 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 inst allers must ensure that FCC requirements for
satisfying RF exposure compliance are met. (See FCC Rules Part 1,
Sections 1307 and 1310)
SECTION INDEX Page
1) LCD Display
2) LED Display
3) Key Controls
4) Programming
5) Volume Control
6) Squelch Control
7) LCD Backlight Dimmer
8) Selecting Channel
9) P-25 Squelch Control
10) P-25 PTT mode
11) P-25 Calling Selection
12) Individual Call
13) Group Name
14) Key Lock
15) Channel Status Data
16) P-25 Status Data
3
3
4
5
6
6
6
7
7
8
9
10
10
11
11
12
17) Bar Graph/ Channel Display
18) LCD Backlight Hold
19) Changing TX Power
20) Caller ID
21) Emergency Call Reception
22) Repeater Mode
23) Remote Control
24) P-25 Test Mode
25) Adjust Mode
26) Key Test
27) Displaying Firm Ware Version
28) Displaying Serial Num ber
29) Displaying Program Software Version
30) Data Check
31) Error Displays
32) Firmware Error Check
12
13
13
13
14
14
14
15-16
17
18
19
19
20
20
21
21
33) RS232C Error Detection
34) DSP Error Detection
21
22
Base Tech III Operating Manual
1
1) LCD Display
LCD display consists of 4 x 20 characters as shown.
Line 1 : Incoming RSSI with 10 steps
Line 2: Output power levels with 10 steps
Line 3: Left 4 letters show Channel Numbers. Middle 8 letters
show channel name (if not programmed, shows blank).
Right 4 letters show status of the radio.
1/ RX mode : M= Mix, both analog and digital can be received
D= Only digital can be received.
2/ TX mode: D=PTT digital transmission
A=PTT analog transmission
3/ Monitor mode: X= Monitor off
S= Selective squelc h
4/ P-25 squelch: N= Normal squelch
S= Selective squelc h
5/ Key lock mode: =Key lock
6/ Shift mode: Depressing the SHIFT KEY (back to normal
after 2 seconds)
Line 4 : Left 2 letters .show GROUP CALL, ALL CALL, INDIVIDUAL CALL.
Right 18 letters show GROUP NAME, INDIVIDUAL NUMBERS, ETC.
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0
1
RX = = = = = = = = = =
2
TX = = = = = = = = = =
3
C001 Channel MDXN
4
GP 500
2) LED Display
BASE TECH III has 5 LED's, from the left ;
DIGI= LED on when receiving digital si gna l
REP= LED on when repeat mode. BASE TECH III can be programmed
SIMPLEX -SEMIDUPLEX - DUPLEX- REPEATER on a per channel basis
ALM= LED flashing on when an error on either TX or RX occurs
TX= LED on when in Transmit
BUSY= LED on when carrier is present
Base Tech III Operating Manual
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3) Key controls
a/ Key entry without SHIFT key
0-9 : channel numbers and individual call address (target address)
A: P-25 calls (Group call, All call, Individual call)
B: The beginning and the end of individual call number
C: No function
D= P-25 mode (analog or digital)
*= Cancel channel number, individual number
#= Ending channel number, individual number
CH= Channel number entry, depress CH, then 0-9 for channels
F(Scan)= No function
MON= monitor ON or OFF '
Rotary knob: Volume, Squelch, Back Light Dimmer level
b/ Key entry following to SHIFT key
0= P-25 test mode start and finish
1=back light ON/OFF
2=Tx power Hi/LOW
3=No function
4=No function
5=No function
6=No function
7=lndicating channel data
8=Key lock ON/OFF
9=No function
A= No function
B= No function
C= No function
D= No function
*= Indicating P-25 data
#=No function
CH= Toggle Bar-Graph ON/OFF
F(scan)= No function
MON=P-25 squelch. normal or selective squelch
Base Tech III Operating Manual
3
4) Programming
Base Tech III can be programmed through PC at anytime when RX mode. Programming is not
possible while Base Tech III in key entry.
When programming is started, the LCD indicates as shown.
Figure-1 shows Data from radio to PC,
Figure-2 shows Data from PC to radio.
If the program software is not communicating properly, the radio will re-write again and again
(endless). When this happens, keep depressing SHIFT and switch on the radio. Then the radio will
recover.
Figure-3 shows display when SHIFT+ POWER switch on.
<Data Programming>
<71BS V100 710>
Data Output
Figure 1.
<Data Programming>
<71BS V100 710>
Data Input
Figure 2.
<Data Programming>
<71BS V100 710>
Figure 3.
Base Tech III Operating Manual
4
5) Volume control
Push rotary knob, and then rotating the knob. Volume level varies from VOLO to VOL-34.
Figure 4 shows VOL-12 level
RX = = = = = = = = = =
TX = = = = = = = = = =
C001 Channel
GP VOL - 1 2
Figure 4.
6) Squelch control
Push rotary knob to select Squelch. Squelch level varies from SQL-1 to SQL-15.
Figure-5 shows SQL-9 level
RX = = = = = = = = = =
TX = = = = = = = = = =
C001 Channel
GP SQL - 9
Figure 5.
7) LCD backlight dimmer
Push rotary knob to select DIM. Dimmer level varies from DIM-0 to DIM-15. DIM-0 is the most darkest.
Figure-6 shows DIM-5 level
RX = = = = = = = = = =
TX = = = = = = = = = =
C001 Channel
GP DIM - 5
Figure 6
Base Tech III Operating Manual
5
8) Channel Selection
BASE TECH III has capability of up to 500 channels. Press CH, and then 0-9 key for channel
numbers Example:-1 CH-8
CH + 0 + 0 + 8 or CH + 8 + #
Example-2 CH-500
CH + 5 + 0 + 0
9) P-25 Squelch control
Press SHIFT then MON to choose P-25 squelch mode.
Normal SQ= If NAC is the same, then receiver will unmute
Selective SQ= If NAC and GROUP is the same, then receiver will unmute
If radio is called with the correct individual number, then radio will unmute.
Figure-7 shows Normal SQ,
Figure-8 shows Selective SQ
RX
TX
C001 Channel MDXN
GP Normal SQL
Figure 7.
RX
TX
C001 Channel MDXN
GP Selective SQL
Figure 8
Base Tech III Operating Manual
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