Need help?Do you have a question about the Hammarlund HQ-170 and is the answer not in the manual?
Details the receiver's tuning system and crystal calibrator for accurate frequency setting.
Covers selectivity, slot filter, and sideband options for optimal reception under various conditions.
Explains AVC, noise limiter, S-meter, and auto-response functions for consistent audio levels.
Instructions for unpacking the receiver and connecting speaker and power supplies.
Guidance on antenna setup for optimal reception, including impedance matching.
Identifies and describes the purpose of each front panel control for ease of use.
Recommended control positions for AM reception, including bandwidth and gain.
Recommended settings for CW reception, focusing on BFO and selectivity.
Important warning regarding the correct use of the slot frequency control to avoid issues.
Recommended settings for Single Side Band reception, including sideband selection.
Steps for calibrating the receiver's dial using the built-in calibrator.
Details on the external relay connector for remote control operation.
Explains pre-selection, RF amplifier, and converter circuit functions.
Details the 455 Kcs IF, 3rd Mixer, and 60 Kcs IF amplifier stages.
Explains AVC, S-meter, noise limiter, and audio amplifier functions.
Describes the BFO stage and the audio amplifier stages of the receiver.
Important notes and safety precautions before performing maintenance or alignment.
Step-by-step procedure for aligning the Intermediate Frequency stages.
Recommended control settings for performing receiver alignment.
Step-by-step procedure for aligning the Radio Frequency stages.
Instructions for replacing the dial cord assembly for the antenna trimmer.
Steps for calibrating the crystal calibrator for accurate frequency checks.
Step-by-step guide for safely taking the receiver unit apart.
Step-by-step guide for putting the receiver back together after maintenance.
Instructions for using the built-in automatic clock timer for receiver pre-warming.
Suggestions for 0.5 Kc selectivity usage and VOX circuit requirements.
Explanation of grid block biasing for VOX circuits and its implementation.
Notes on dial calibration tolerance and troubleshooting RF feedback issues.
Proper use of the slot depth control for effective interference reduction.
General| Brand | Hammarlund |
|---|---|
| Model | HQ-170 |
| Category | Receiver |
| Language | English |
To Next Page
