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 gvienneau on October 6th, 2010
I'am Getting A Flashing Yellow Light When Charging My Ht750 Radio
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Current Answers
Answer #1: Posted by ryan15363 on August 17th, 2011 8:17 AM
ryan15363
Member since:
August 17th, 2011 Points: 120
Member since:
August 17th, 2011 Points: 120
Related Motorola HT750 Manual Pages
User Manual - Page 1
... Software Copyrights 2
Radio Overview 3
Parts of the Radio 3 HT750 Model 3 On/Off/Volume Knob 4 Channel Selector Knob 4 LED Indicator 4 Programmable Buttons 4 Push-to-Talk (PTT) Button 6 Microphone 6 Keypad Keys (for radios with keypads) . . . 6
Audio Indicators for Programmable Buttons . . 7
Getting Started 9
Battery Information 9 Charging the Battery 9 Battery Charge Status 10...
User Manual - Page 2
... Atmospheres . . . 25 Batteries 25 Blasting Caps and Blasting Areas . . . . 25 Operational Cautions 26 Antennas 26 Batteries 26 Battery Information 26 Charging Batteries 26 Recycling of Nickel-Cadmium Batteries. . 27 Intrinsically Safe Radio Information . . . . . 27 FMRC Approved Equipment 27 Repair of Motorola. Laws in the United States and other media. Accordingly, any copyrighted...
User Manual - Page 3
RADIO OVERVIEW
PARTS OF THE RADIO
HT750 Model
Channel Selector Knob
On/Off/Volume Knob
Side Button 1 (A) (programmable)
Push-to-Talk (PTT) Button
Side Button 2 (B) (programmable)
Side Button 3 (C) (programmable)
Radio Overview
Top Button (TB) (programmable)
LED Indicator
Microphone
Front Buttons (optional) (P1, P2, P3) (programmable)
Keypad (optional)
Side Connector
Cover
3 English
RADIO ...
User Manual - Page 5
RADIO OVERVIEW
Radio... radio.†
-
18
Squelch
Toggle squelch level between Locked and Unlocked.
-
- Cancel Emergency Siren.
-
17
Monitor
Turn monitor function off . Check the battery's charge ...status.
10
Scan/Nuisance Channel Delete
Toggle scan on and Delete a nuisance chan-
adjusting your
15
radio's volume level.
nel while scanning...
User Manual - Page 6
... from your phone list.†
-
Microphone
When sending a message, hold down this button to listen.
Light (for : • dialing a phone number • making a radio call .†
- Page Button - 21 21 17 - release it to talk; RADIO OVERVIEW
English
Radio Overview
Function
Short Press
Long Press
Hold Down
Option Board
Toggle between activating and
(if...
User Manual - Page 9
... , regardless of the battery.
Flashing Yellow Flashing Green†
Battery in charger, not in the charger. Steady Green
Battery fully charged.
* Remove the battery from the factory.
Single Green Flash Successful charger power-up. Steady Red
Battery in the charger. To charge the battery:
Place the battery, with or without the radio, in rapidcharge mode but waiting...
User Manual - Page 10
...-Capacity/Lithium-Ion
GETTING STARTED
10 English Battery Level
High Sufficient Low Very Low
LED Indicator
Green Yellow Flashing red None
Battery chargers will only charge the Motorolaauthorized batteries listed below; other batteries may not charge.
Part No.
Getting Started
Battery Charge Status
You can check battery charge status by the color of the radio's LED indicator...
User Manual - Page 11
Attaching the Battery
Removing the Battery
Getting Started
Battery Latches
y2
2
3
1
1 Fit the extensions at the bottom of the battery into the bottom slots on the radio.
2 Press the top part of the battery toward the radio until you hear a click.
1 Turn off the radio (see page 14).
2 Slide both battery latches downward.
3 Pull the...
User Manual - Page 17
...radio will light yellow.
To answer the call : • You will not receive any other key to answer the Call Alert page, or press any Selective Calls until you respond.
RADIO CALLS
Radio Calls
RADIO... sounds four alert tones continuously until you clear the page.
17 English
Note: Your radio will hear two alert tones. To stop the Emergency Siren, press the Emergency button again...
Service Manual - Page 4
... 3-11 3.7.6 Chassis and Front Cover Reassembly 3-11 3.7.7 DTMF Retrofit Kit Procedure (Optional Upgrade Procedure 3-12 3.7.8 Option Board Installation 3-13 3.8 HT750 Radio Exploded Mechanical View and Parts List 3-15 3.8.1 HT750 Exploded View 3-15 3.8.2 HT750 Exploded View Parts List 3-16 3.8.3 HT1250 and HT1250•LS Exploded View 3-17 3.8.4 HT1250 and HT1250•LS Parts List 3-18...
Service Manual - Page 16
...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- Table 1-1:Radio Model Number (Example: AAH25KDC9AA3AN)
Type of your radio. The example below shows one portable radio...)
6 25 kHz
4 12.5 kHz
B Low Band, R1 (29.742.0 MHz)
C Low Band, R2 (35.050.0 MHz)
U 800 MHz...
Service Manual - Page 37
... the HT750/HT1250/HT1250•LS/ HT1250•LS+/HT1550•XLS/MTX850/MTX950/MTX850•LS/MTX8250/MTX9250/MTX8250•LS radios. Table 3-11:Service Aids
Motorola Part No.
AARKN4073
Radio to Radio Cloning Cable
Allows radio to be substituted for radio testing.
HHLN4134
BNC Adaptor
Adapts radio antenna port to BNC cabling of equipment (VHF and UHF...
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 47
...above, except to a conventional system.
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 .../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
...-Speed Data Modu-
PTT to Specifications
Press PTT switch on radio. put at antenna
TEST MODE, Test Channel
4 TPL DPL
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). 4-8
Transceiver Performance...
Service Manual - Page 67
... Guide
Note: Models ending in FD are Federal Government Radios Only. 8-1
Chapter 8 Model Chart and Test Specifications
8.1 UHF 403-470 MHz (Conventional)
HT Series, UHF, 403-470 MHz
Model
Description
AAH25RDC9AA2_N
HT750, 403-470 MHz, 4W, 4-Ch
AAH25RDC9AA3_N
HT750, 403-470 MHz, 4W, 16-Ch
AAH25RDG9AA4_N
HT750, 403-470 MHz, 4W, 16-Ch, DTMF
AAH25RDG9AA5_N
HT1250...
Service Manual - Page 68
...UHF 450-512 MHz (Conventional)
HT Series, UHF, 450-512 MHz
Model
Description
AAH25SDC9AA2_N
HT750, 450-512 MHz, 4W, 4-Ch
AAH25SDC9AA3_N
HT750, 450-512 MHz, 4W, 16-Ch
AAH25SDG9AA4_N
HT750...HT750, 450-512 MHz, 4W, 4-Ch
AAH25SDC9AA3_NFD
HT750, 450-512 MHz, 4W, 16-Ch
AH25SDG9AA4_NFD
HT750...one of each is required. HT750 Back Cover Kit HT750 Back Cover Kit HT750 Back Cover Kit HT1250 Back ...
Service Manual - Page 79
...2.26 in . Model Chart and Test Specifications
8-13
8.14 Specifications, HT750 Radio
Specification
Model Numbers:
Frequency Range:
Frequency Stability: (-30°C to ...Battery: With LiIon Battery:
General
Lowband
VHF
UHF
AAH25BEC AAH25CEC
AAH25KDC AAH25KDG
AAH25RDC AAH25RDG ...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...
Service Manual - Page 83
... x 40mm) 5.40 in . Model Chart and Test Specifications
8-17
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...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 ...
Service Manual - Page 84
...radios meet or exceed requirements of MIL STD 810 C, D, E. All electrical specifications and methods refer to change without notice.
Modulation Limiting:
FM Hum and Noise:
Model Chart and Test Specifications
UHF / VHF... kHz @ 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
...
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