Zoom H4 Handy Recorder User Manual

1. Introduction

The Zoom H4 Handy Recorder is a versatile, portable digital audio recorder designed for a wide range of applications, including live musical performances, interviews, podcasts, meetings, classes, and seminars. It supports high-quality audio recording in 24-bit/96 kHz WAV format and efficient MP3 formats.

Equipped with two studio-quality electret condenser microphones in an X/Y pattern, the H4 captures true stereo sound with excellent depth and clarity. It also features combination XLR-1/4-inch input jacks with phantom power, allowing connection of external microphones or instruments. The H4 includes on-board studio effects and a 4-track recording mode for mobile multi-track production.

Figure 1: Front view of the Zoom H4 Handy Recorder, showing the X/Y microphones, LCD display, and main control buttons.

2. Package Contents

Please verify that all the following items are included in your package:

• Zoom H4 Handy Recorder Unit
• SD Memory Card (e.g., 512MB or 2GB, depending on model variant)
• Microphone (built-in X/Y stereo pair)
• AC Adapter
• USB Cable
• Windshield Cover
• Tripod Adapter
• User Manual (this document)

3. Product Features

• True Stereo Imaging: The H4 utilizes an X/Y microphone configuration where two microphones point inward at a crossing angle. This design captures a wide sound area while maintaining perfect clarity and definition for central sound sources, eliminating phase differences between left and right channels.
• High-Resolution Audio Recording: Supports 24-bit/96 kHz linear PCM recording in WAV format, offering sound quality that surpasses standard CDs. Also records in MP3 format with bitrates up to 320kbps for extended recording times.
• Versatile Inputs: Features two combination XLR-1/4-inch input jacks with switchable phantom power (+24V/+48V) for connecting external condenser microphones. These inputs also support Hi-Z connections for direct recording of guitars, bass, or other line-level instruments.
• On-board Studio Effects: Includes built-in effects such as compression, limiting, and microphone modeling. Guitar and bass amplifier modeling effects are also available, accurately reproducing the sounds of various amplifiers.
• 4-Track Recording Mode: Unlike many field recorders, the H4 offers a dedicated 4-track recording mode, enabling mobile multi-track recording at 16-bit/44.1 kHz resolution.
• Secure Digital (SD) Media: Records directly to widely available SD memory cards (16MB-2GB), providing reliable storage without mechanical vibrations affecting recording quality.
• USB Mass-Storage Interface: Easily transfer recorded audio files to a PC or Mac for editing, mixing, and mastering.
• Power Options: Operates on 2 AA batteries for approximately four hours of continuous recording or via the included AC adapter.
• Integrated Metronome: Features 5 distinct metronome sounds with adjustable beat (0/4 - 8/4, 6/8) and tempo (40.0 - 250.0 BPM).
• High-Quality Conversion: A/D Conversion: 24bit, 128 times oversampling; D/A Conversion: 24bit, 128 times oversampling.
• Signal Processing: Utilizes 32-bit signal processing for enhanced audio fidelity.

4. Setup

4.1. Battery Installation

1. Ensure the H4 is powered off.
2. Locate the battery compartment on the rear of the unit.
3. Open the compartment cover.
4. Insert two (2) AA batteries, observing the correct polarity (+/-) as indicated inside the compartment.
5. Close the battery compartment cover securely.

4.2. SD Card Insertion

1. With the H4 powered off, locate the SD card slot on the side of the unit.
2. Insert the SD card gently into the slot until it clicks into place. Ensure the card is oriented correctly.
3. To remove, push the SD card inward until it clicks, then release, and it will eject slightly.

4.3. Powering On/Off

• To power on, slide and hold the power switch (usually on the side) for a few seconds until the display illuminates.
• To power off, slide and hold the power switch again until the display turns off.
• Alternatively, connect the AC adapter to the DC IN jack and a power outlet for continuous operation.

4.4. Connecting External Microphones or Instruments

Figure 2: Side view of the Zoom H4, highlighting the combination XLR-1/4-inch input jacks.

• The H4 features two combination XLR-1/4-inch input jacks (INPUT 1 and INPUT 2) at the bottom of the unit.
• For condenser microphones requiring power, activate phantom power (+24V or +48V) through the H4's menu settings. Refer to the 'Operating Instructions' for menu navigation.
• For guitars, bass, or other line-level devices, connect a 1/4-inch cable to the input jacks. Ensure the Hi-Z setting is enabled in the menu if connecting a passive guitar/bass.

4.5. Connecting Headphones

Connect headphones to the 1/8-inch headphone jack (usually on the side or bottom) for monitoring audio during recording and playback.

5. Operating Instructions

5.1. Basic Recording

1. Select Recording Mode: Use the 'MODE' button to switch between STEREO (2-track) and 4TRACK recording modes. The selected mode will be indicated on the LCD.
2. Set Input Levels: Adjust the input level knobs (usually on the side or front) for INPUT 1 and INPUT 2, or use the built-in microphone gain control, to ensure levels are optimal without clipping (distortion). Monitor the level meters on the LCD.
3. Arm for Recording: Press the 'REC' button once. The REC indicator will blink, and the unit will be in record-standby mode.
4. Start Recording: Press the 'REC' button again to begin recording. The REC indicator will glow steadily.
5. Stop Recording: Press the 'STOP' button to end the recording. The file will be saved to the SD card.

5.2. Playback

1. Navigate Files: Use the navigation buttons (left/right arrows) to select the desired audio file on the SD card.
2. Start Playback: Press the 'PLAY' button to begin playback of the selected file.
3. Pause/Stop Playback: Press the 'PLAY' button again to pause, or the 'STOP' button to stop playback.
4. Adjust Playback Volume: Use the volume controls (if available) or headphone volume to adjust listening level.

5.3. File Management and Transfer

• Connect the H4 to your computer using the supplied USB cable.
• The H4 will appear as a removable storage device (like a USB drive).
• Drag and drop audio files from the H4's SD card to your computer for backup, editing, or sharing.

5.4. Using On-board Effects

• Access the 'MENU' button to navigate through the H4's settings.
• Locate the 'EFFECTS' or 'DSP' section in the menu.
• Select and configure desired effects such as compressor, limiter, or microphone/amp modeling.
• Apply effects to inputs or tracks as needed.

5.5. Metronome Function

• Access the 'MENU' and navigate to the 'METRONOME' settings.
• Adjust the tempo (BPM) and beat signature (e.g., 4/4, 3/4, 6/8).
• Select from 5 different metronome sounds.
• Activate the metronome to provide a click track for practice or recording.

6. Maintenance

• Cleaning: Use a soft, dry cloth to clean the exterior of the H4. Avoid using abrasive cleaners, solvents, or waxes, as these can damage the finish or internal components.
• Battery Care: If the unit will not be used for an extended period, remove the AA batteries to prevent leakage and potential damage.
• SD Card Handling: Always power off the H4 before inserting or removing the SD card to prevent data corruption. Handle SD cards carefully to avoid physical damage.
• Storage: Store the H4 in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. Protect it from dust and vibrations.
• Microphone Protection: Use the included windshield cover when recording outdoors or in windy conditions to reduce unwanted noise and protect the built-in microphones.

7. Troubleshooting

• No Power:
  • Check if batteries are correctly inserted and have sufficient charge.
  • Ensure the AC adapter is properly connected and the power outlet is functional.
  • Verify the power switch is fully engaged.
• No Sound During Recording or Playback:
  • Check input level settings; ensure they are not set to zero or too low.
  • Verify headphones are properly connected and their volume is adjusted.
  • Ensure the correct input source (built-in mics or external inputs) is selected in the menu.
  • For external mics, confirm phantom power is enabled if required.
• Poor Sound Quality / Distortion:
  • Reduce input levels if the level meters are consistently peaking (red).
  • Check microphone placement relative to the sound source.
  • Ensure the recording format (WAV/MP3) and sample rate are appropriate for your needs.
  • Check for damaged cables if using external inputs.
• SD Card Error:
  • Reinsert the SD card firmly.
  • Try a different, known-good SD card.
  • If prompted, format the SD card (note: this will erase all data on the card).
• Unit Freezes / Unresponsive:
  • Perform a power cycle by turning the unit off and then on again. If necessary, remove and reinsert batteries.

8. Specifications

9. Warranty and Support

For warranty information, technical support, or service inquiries regarding your Zoom H4 Handy Recorder, please refer to the official Zoom website or contact Zoom customer support directly. Specific warranty terms and conditions may vary by region and purchase date.

Always ensure you are using official Zoom accessories and following recommended operating procedures to maintain product validity and performance.