Motorola HT750 Support Question
Motorola HT750 Support Question
Find answers below for this question about Motorola HT750 - UHF/VHF/Low Band - Radio.Need a Motorola HT750 manual? We have 2 online manuals for this item!
Question posted by plubiddore3 on August 21st, 2014
Can Hear Only Channel 3 And 4 On Ht750
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Current Answers
Answer #1: Posted by MotoAgents on October 14th, 2014 12:39 PM
MotoAgents
Member since:
June 27th, 2014 Points: 554,130
Member since:
June 27th, 2014 Points: 554,130
Hi plubiddore3
In this case I will recommend you to contact the Solutions Department so they can assist you with this device.
Regards!
Marge
Motorola Mobility
MotoAgents
Related Motorola HT750 Manual Pages
User Manual - Page 20
To identify the last channel monitored, turn your radio off and on the nuisance channel, hold down the Scan button until you hear a tone. The nuisance channel is on again. SCAN
20 English
Note:You cannot delete a priority channel or the last remaining channel in a scan list.
Scan
DELETING A NUISANCE CHANNEL
If a channel continually generates unwanted calls or noise (a "...
User Manual - Page 37
...) 1.
HT750™ Quick Reference Card
Record the functions for your mouth. Press PTT and speak clearly with microphone about 2.5 to 5 cm (1 to desired channel. 3. Switch to 2 inches)
away from your radio's programmable buttons in this User Guide. Release Scan button. Send access code, if required. 3. Hold radio in one of the following ways:
• Press...
Service Manual - Page 6
... 6-3
Chapter 7 Accessories 7-1
7.1 HT750/HT1250/HT1250•LS/HT1250•...UHF 403-470 MHz (Conventional 8-1 8.2 UHF 450-512 MHz (Conventional 8-2 8.3 UHF 403-470 MHz (LTR and PassPort 8-3 8.4 UHF 450-512 MHz (LTR and PassPort 8-4 8.5 UHF 403-470 MHz (Conventional/LTR 8-5 8.6 UHF 450-512 MHz (Conventional/LTR 8-6 8.7 VHF 136-174 MHz 8-7 8.8 VHF 136-174 MHz (Conventional/LTR 8-8 8.9 VHF...
Service Manual - Page 16
...radio. Band
Power Physical Channel Level Packages Spacing
Protocol
Feature Model Model Level Revision Package
AA or
H
25
K
C
C
9
AA
3
A
N
LA
VHF
1-3.9W
HT750
Programma- 1-4
Introduction
1.3 Radio Model Information
The model number and serial number are located on Conv. The example below shows one portable radio... 12.5 kHz
B Low Band, R1 (29.742.0 MHz)
C Low Band, R2 (35.050...
Service Manual - Page 37
... end, power, deviation, etc. Allows switching for working on the HT750/HT1250/HT1250•LS/ HT1250•LS+/HT1550•XLS/MTX850/MTX950/MTX850•LS/MTX8250/MTX9250/MTX8250•LS radios. Programs customer option and channel data. AARKN4073
Radio to Radio Cloning Cable
Allows radio to RIB (RLN4008B).
Service Aids
3-35
3.9 Service Aids
Table 3-11...
Service Manual - Page 38
...S1100
Audio Oscillator
67 to 200Hz tones
*S1053, *SKN6009, *SKN6001
R1053
*S1350, *ST1215 (VHF) *ST1223 (UHF) *T1013 S1339
*R1013 S1347 or S1348 (prog)
AC Voltmeter, Power Cable for meter, Test...impedance
Dual-trace Oscillo- 20 MHz bandwidth,
scope
5 mV/cm - 20 V/cm
Wattmeter, Plug-in Elements (VHF & UHF), RF Dummy Load
• 50 Ω • ±5% accuracy 10 W, max. 0-1000 MHz, 300...
Service Manual - Page 41
... (see Table 4-3 on page 4-5) scrolls to the next channel spacing, and a corresponding set of the LCD test to Figure 4-4 on the bench for a display radio:
1. Press 'side button 1' to enable or disable certain features of a normal tuning procedure. Note 1: On VHF/UHF, LTR models, the radio must be in succession.
3. 4-1
Chapter 4
Transceiver Performance Testing
4.1 General...
Service Manual - Page 46
... spacing for Display and Non-Display Radios
The radio channels and test frequencies are selected using 'side buttons 1 and 2', as shown in Table 4-4.
Table 4-4: Test Frequencies (Using the Channel Selector Switch)
Channel
Selector Switch
Test Channel
Low 1
Low 2
VHF
UHF 1 UHF 2
800
Position
1 Low Power TX #1 or #8 8 High Power RX #1 or #8
2 Low Power TX #2 or #9 9 High Power RX...
Service Manual - Page 47
...equipment setup. Table 4-5: Receiver Performance Checks
Test Name
Service Monitor
Radio
Test Set
Comments
Reference Frequency
Mode: PWR MON 4th channel test frequency*
Monitor: Frequency error Input at RF In/Out
.../load to speaker As above
Frequency error to be ±200 Hz VHF ±600 Hz UHF
±60 Hz Low Band
Set volume control to 3.16Vrms
Distortion 3.0% Typical
RF input to be ...
Service Manual - Page 48
... the
performance check).
Say "four" loudly
into the radio mic. and Canada. lation***
As above
TEST MODE, Test Channel
4 carrier squelch out- PTT to continuous (during the
performance check)
As above
As above
Frequency error ±200 Hz VHF ±600 Hz UHF
±60 Hz Low Band
Refer to continuous (during the
performance check)
As...
Service Manual - Page 55
...in the format "WXXXYYY-ZZZ" where W is a "-" on an Idle channel and a "+" on the system. Radio Tuning, Programming, Cloning, Lowband Antenna Cutting Procedure, PassPort Tone Options, and ...low. Allow the radio to register. Remove the antenna. Allow the radio to register. The radio will search and re-register. They are available. This function momentarily displays the radio...
Service Manual - Page 61
.../MTX8250•LS Accessories
7.1.1 Antennas
VHF PMAD4012 PMAD4013 PMAD4014 PMAD4015 PMAD4023
136-174 MHz, Ferrule Connector 136-155 MHz, Stubby 155-174 MHz, Stubby 14 cm. Helical, Standard Length - 155-174 MHz (Black Code) 14 cm. Helical, Standard Length -150-161 MHz
PMAD4025 UHF 1 PMAE4002 PMAE4003 NAE6483 UHF 2 PMAE4006
150-161 MHz, Stubby...
Service Manual - Page 65
...Front Cover Kits
HLN9984
DTMF Retrofit Kit (HT750 only) - 16 Channel Model Only FM Approved
AAHKN9055
Replacement Cable for Standard and Noise Cancelling
AAHKN9057
VHF Public Safety Speaker Microphone with Manual
6881088C22...-174 MHz Only) - FM Approved
AAHMN9054
UHF Public Safety Microphone Remote Speaker (450-470 MHz Only) - FM Approved
AAHMN9053
Remote Speaker Noise ...
Service Manual - Page 79
... HT750 Radio
Specification
Model Numbers:
Frequency Range:
Frequency Stability: (-30°C to +60°C, 25°C Ref.) Channel Capacity: Channel ... Battery: With LiIon Battery:
General
Lowband
VHF
UHF
AAH25BEC AAH25CEC
AAH25KDC AAH25KDG
AAH25RDC AAH25RDG AAH25SDC ...(350 grams)
High Power 8 hours 11 hours 8 hours 7 hours
Low Power 11 hours 14 hours 12 hours 11 hours
High Power 8 hours...
Service Manual - Page 80
...(20 dB SINAD) ETS: Intermodulation per EIA: Adjacent Channel Selectivity ETS:
Spurious Rejection: Rated Audio: Audio Distortion @ Rated Audio: Hum and Noise (with LLE enabled):
Receiver
Lowband
VHF
UHF
0.30 µV Typical
0.35 µV Typical
0.5...1 Ghz
Specifications subject to change without notice. Professional Series radios meet or exceed requirements of MIL STD 810 C, D, E. Dev.
Service Manual - Page 81
...Specifications, HT1250 Radio
Specification
Model Numbers:
Frequency Range:
Frequency Stability: (-30°C to +60°C, 25°C Ref.) Channel Capacity: Channel Spacing: ..., 5% transmit, 90% standby
General
Lowband
VHF
UHF
AAH25BEF AAH25CEF
AAH25KDF AAH25KDH
AAH25SDC AAH25SDH AAH25RDF AAH25RDH...Low Power 11 hours 14 hours 12 hours 11 hours
High Power 8 hours 11 hours 8 hours 7 hours
Low...
Service Manual - Page 82
...20 dB SINAD) ETS: Intermodulation per EIA: Adjacent Channel Selectivity ETS:
Spurious Rejection: Rated Audio: Audio Distortion @ Rated Audio: Hum and Noise:
Receiver
Lowband
VHF
UHF
0.30 µV Typical
0.25 µV Typical
..., 300 to 3000Hz) Audio Distortion: @ 1000 Hz, 60% Rated Max. Professional Series radios meet or exceed requirements of MIL STD 810 C, D, E. 8-16
Model Chart and Test...
Service Manual - Page 83
...17
8.16 Specifications, HT1250•LS+ Radio
General
Specification
UHF
VHF
Model Numbers:
Frequency Range:
Frequency Stability: (-30°C to +60°C, 25°C Ref.) Channel Capacity:
Channel Spacing: Power Supply: Dimensions: H ...) 17.5 ounces (500 grams) 15.8 ounces (450 grams) 12.5 ounces (350 grams)
Low Power 11 hours 14 hours 12 hours 11 hours
High Power 8 hours 11 hours 9 hours ...
Service Manual - Page 84
...@ 25 kHz
-40 dB
Specification Sensitivity (12 dB SINAD) EIA:
Receiver
UHF/VHF 0.25 µV Typical
Sensitivity (20 dB SINAD) ETS:
0.5 µV Typical
Intermodulation per EIA:
70 dB
Adjacent Channel Selectivity ETS:
60 dB @ 12.5 kHz 70 dB @ 25 kHz
Spurious... and methods refer to EIA/TIA 603 standards. Professional Series radios meet or exceed requirements of MIL STD 810 C, D, E.
Service Manual - Page 85
...Test Specifications
8-19
8.17 Specifications, HT1550•XLS Radio
Specification Model Numbers:
Frequency Range:
Channel Capacity:
Channel Spacing: Power Supply: Dimensions: H x W ...Humidity:
General
VHF/UHF
AAH25KDN9DU8 (VHF) AAH25RDN9DU8 (UHF1) AAH25SDN9DU8 (UHF2)
136-174 MHz (VHF) 403-470 MHz (UHF1) 450-512 MHz (UHF2)
Trunking zones 15 Trunking talkgroups 16 Conventional Channels 160
12.5/...
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