Downloads
HP-A4 Software Version Upgrade
All work is done at the customer’s own risk.
We assume no responsibility whatsoever for any damage incurred by the customer as a result of this work.
Target Product：
HP-A4
Version 1.10 Update Content
（Nov 29, 2016 UP）
Now compatible with macOS 10.12 Sierra.
By updating the HP-A4 firmware to V1.10, the following operations will be changed.
- P.4 of the instruction manual for this unit ③ Input indicator
Before change: All input indicators turn off when no signal is input or when an audio signal in a format not supported by this unit is input.
↓ …
After change: When no signal is input or an audio signal in a format not supported by the unit is input, the 44.1 kHz LED flashes. (Unlocked state)
What you need to upgrade
A micro SDHC (2 to 32 GB) and a PC capable of reading and writing micro SDHC are required to upgrade.
SDXC cards cannot be used.
■Updated version data
The latest version can be upgraded from any previous version.
Version Upgrade Procedures
This document describes how to upgrade the version of the software. You can download it from the link below.