Yaesu FT-990 Manuals

Manuals and User Guides for Yaesu FT-990. We have 4 Yaesu FT-990 manuals available for free PDF download: Service Manual, Operating Manual, Manual

Yaesu FT-990 Service Manual

Yaesu FT-990 Service Manual (348 pages)

Brand: Yaesu | Category: Transceiver | Size: 53.47 MB

Table of Contents

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Yaesu FT-990 Operating Manual

Yaesu FT-990 Operating Manual (66 pages)

Yaesu FT-990 Transceiver Operating manual

Brand: Yaesu | Category: Transceiver | Size: 6.7 MB

Table of Contents

General Information
2
Specifications
3
Accessories & Options
4
Station Installation
6
Preliminary Inspection
6
Power Connection
6
Changing the Power Supply Setting for a Different AC Voltage Range
6
Transceiver Location
7
Antenna Considerations
7
Grounding
7
Adjusting the Front Feet
7
Connector Pinouts
8
Connecting External Accessories
9
Connecting a Linear Amplifier
10
Internal Adjustments
11
Button Beeper Volume
11
CW Sidetone Volume
12
CW Keyer Weighing Bug Simulation
12
Linear Amp T/R Switch
12
CW Keyer Switches Rear View
12
Mode-Specific Tuning Rates
13
Slow am Auto AGC
13
Control Unit Split Pad Locations
13
AGC Auto Jumper for am
14
Front Panel Controls
15
Display Brightness Adjustment
17
Top Access Panel Controls
21
Power up Selections
22
Rear Panel Connectors
23
Operation
26
Tuning Steps
26
Keypad Frequency Entry
26
General Coverage Reception
27
Button Beeper Settings
27
Blanking the 10'S-Of-Hz Digit
27
Dealing with Interference
28
Front End Attenuation
28
RF Gain Setting
28
AGC (Automatic Gain Control) Selection
28
Noise Blanker Setting
29
Bandwidth and if Shift Adjustment
29
IF Shift Adjustment
29
Digital Filter Adjustment
29
IF Notch Filter Adjustment
30
Special Tips for CW Reception: Pitch Setting and Spotting
30
Transmitting
31
Automatinc Antenna Matching
31
SSB Transmission
31
RF Speech Processor (FSP)
32
Adjusting Processor Frequency Shift
32
VOX (Voice-Actuated T/R Switching)
33
CW Transmission
33
Using the Internal Electronic Keyer
33
AM Transmission
34
FM Transmission
34
Clarifier (Rx/Tx Offset Tunting)
34
FM Repeater Operation
34
VFO B & Split Frequency Operation
35
Memory Functions
36
Memory Channel Storage
36
Checking Stored Memories
36
Memory Channel Operation/Recall
36
Memory Scanning
37
Memory Scan Skip
37
Memory Blanking
37
Optional Digital Voice Recorder
37
Digital Modes: AMTOR, RTTY & Packet
38
RTTY and AMTOR with a Terminal Unit
38
300-Baud Packet
39
Custom Packet Display Offset
39
Packet TNC Interconnections
39
1200-Baud FM Packet
40
CAT System Computer Control
41
Reading Transceiver Status
41
Status Update Data Organization
41
CAT Commands
42
Data Returned from FT-990
43
Selecting Update Data to Return
44
Read Flags Data
44
Read Meter Data
44
Coding Examples
44
Reading Returned Data
45
Installing Internal Accessories
46
TCX0-2 High-Stability Master Oscillator
46
Narrow CW & SSB if Filters
47
Installation for DC Operation
48
Block Diagram
49
Schematics
51

Yaesu FT-990 Operating Manual

Yaesu FT-990 Operating Manual (65 pages)

high performance

Brand: Yaesu | Category: Transceiver | Size: 6.77 MB

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Yaesu FT-990 Manual

Yaesu FT-990 Manual (6 pages)

Transceivers with KPA/KAT500 Power Combo

Brand: Yaesu | Category: Transceiver | Size: 0.59 MB

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