ChronoPlayer mkII

Suggestions of uses:

• School bell management system: customisable message delivery, safety messages, background music.
• In factories: break announcements, information along production lines.
• Retail: informative and persuasive advertising, vendor call.

Download the datasheet

Interfacing and Connectivity

• Backlit LCD display – 2 × 16 characters
• Status LED
• Clickable knob (volume, playback control and setting menu)
• Infrared sensor – Protocol: Sony SIRC, 12 bits, 38 kHz carrier
• USB Host 2.0 Full Speed (12 Mb/s), standard “mass storage” driver, type-A receptacle
• SD card slot
• Unbalanced line-level stereo audio output on standard RCA connectors
• Headphone stereo audio output on a standard 3.5 mm (TRS) jack
• 8 combined configurable opto-isolated input contacts on a 3.81 mm pluggable terminal block (typical debounce time: 25 ms)
• RS-232 serial link on a 3.81 mm pluggable terminal block (9600, 19200, or 38400 bauds)
• Power supply output 3.81 mm pluggable terminal block
• External DC power supply chassis socket – Plug Ø 2.1 mm / 5.5 mm

Audio File Formats Supported

• MP3 (.mp3): MPEG-1/2 Audio Layer III, mono/stereo, 16 bits, 44.1 kHz, from 32 kbit/s to 320 kbit/s, CBR (Constant Bit Rate) or VBR (Variable Bit Rate), with or without ID3v1/2 tags¹
• Proprietary obfuscated MP3 (.mp3): to protect MP3 audio content²
• WAV (.wav): mono/stereo, 16-bit LPCM, 44.1 kHz, WAVE_FORMAT_PCM or WAVE_FORMAT_EXTENSIBLE

¹ Some ID3v1 or ID3v2.4 footer tags might cause unexpected noises at the end of the files.
² Contact Waves System for further information about this feature.

Other File Formats Supported

• TM2 (.tm2): timestamped programming file (scheduler.tm2) – Scheduler V2 file format
• TXT (.txt): text file for serial (serial.txt) and configuration (config.txt) usages – raw text format (only printable 7-bit ASCII characters) with CR/LF, LF or CR end of line characters.

Storage Devices

• File system supported: FAT32 (read/write)
• Supports long filenames limited to 63 characters maximum including extension
• Accepted storage device types:
  • SDSC cards
  • SDHC cards
  • USB flash drives
• Accepts 1000 folders maximum at the root, containing up to 999 files each

Audio Amplifiers

• Headphone output:
  • 2 × 85 mW – 32 Ω, THD+N = 0.1 %, 1 kHz
  • 2 × 110 mW – 32 Ω, THD+N = 10 %, 1 kHz
  • 2 × 200 mW – 8 Ω, THD+N = 0.1 %, 1 kHz
  • 2 × 325 mW – 8 Ω, THD+N = 10 %, 1 kHz

Built-in Clock

• Maximum clock drift:
  • From 0 to +50 °C: 3.8 ppm – 120 seconds per year
  • From +50 to +60 °C: 5.0 ppm – 156 seconds per year
  • Aging: ±3 ppm/year
• Timekeeping when the player is not powered: up to 2 months

Power Supply

• Player power supply input:
  • Nominal voltage: 12 V DC
• Supplied mains adapter input:
  • Voltage: from 100 V to 240 V
  • Frequency: from 50 Hz to 60 Hz

Current Consumption (12 V supplied)

• Typical consumption in playback with a SD card: 80 mA
• Recommended power supply for full use of the device – output current: 500 mA

Thermal Information

• Operating ambient temperature: from 0 to +60 °C
• Storage temperature: from -20 to +60 °C

Dimensions

• Width: 140 mm – 1/3 of a 19-inch rack
• Height: 43 mm – 1U
• Depth (with the pluggable terminal blocks): 107 mm

Weight

• 196 g (with the pluggable terminal blocks)