What to do if speaker audio is not heard when the key is pressed and held on my Standard Horizon HX400IS?
If you can't hear speaker audio when pressing and holding the key on your Standard Horizon Transceiver, there are a couple of things to check: * First, the battery may be low, and you may need to charge it. * Second, the audio volume might be set too low. Try turning the VOL knob clockwise to increase the volume.
Why some keys do not operate on my Standard Horizon Transceiver?
If some keys on your Standard Horizon Transceiver aren't working, it might be because the Key Lock is turned on. You should turn the Key Lock off.
How to start scan on Standard Horizon HX400IS Transceiver if the key does not start the scan?
If the key on your Standard Horizon Transceiver doesn't start the scan, here are a couple of possible reasons and solutions: * You may not have any channels memorized. Use the key to enter desired channels into the Preset memory. * The squelch might not be adjusted correctly. Adjust the squelch to the point where the noise just disappears, being careful not to eliminate incoming signals.
General| Type | Handheld VHF Marine Transceiver |
|---|---|
| Floatability | Yes |
| Channels | All USA, International & Canadian Channels |
| Battery | Lithium-ion 1800mAh |
| Waterproof Rating | IPX8 (1.5M for 30 minutes) |
| DSC | Yes |
| Display | LCD with backlight |
| Emergency Features | Distress button |
Details compliance with FCC regulations and safe operating distance requirements.
Advises on potential interference in sensitive environments and body-worn accessory compliance.
Welcomes users, highlights features, and provides support contact information.
Covers intrinsic safety, VHF marine band, LMR channels, and water resistance.
Lists package contents and available optional items for the transceiver.
Guides on radio care, belt clip installation, and battery charging procedures.
Identifies and describes the function of all buttons and controls on the unit.
Explains the meaning of icons and indicators shown on the transceiver's screen.
Guides on initial setup, receiving, transmitting, and power levels.
Covers channel band selection, NOAA weather channels, and alerts.
Explains keypad locking, preset channels, scanning, dual watch, and voice scrambler.
Details how to enter and adjust settings like beep level, lamp, and dimmer.
Covers dual watch modes, display settings, and channel naming.
Provides advice on maintaining the radio and ordering spare parts.
Guides on contacting service and using the troubleshooting chart.
Clarifies VTS, channel types, and usage rules for marine channels.
Lists frequencies and channel uses for USA and International assignments.
Outlines the product warranty period, exclusions, and service procedures.
Guides on registering the product online and contacting technical support.
Lists frequency ranges, power output, and general performance metrics.
Details receiver sensitivity, selectivity, and audio output performance.
Explains licensing requirements for marine and Canadian operations.
Provides necessary technical data for license application forms.
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