Release Note for Smart-telecasterTM Zao – 3 August 2020
This update includes Update Feature.
For details, please see the following.
- Smart-telecaster Zao V3.3.2(1105) ⇒ V3.4.0(1107)
- In Slave mode, Auto Connection can be set.
- Effective when connecting to Zao Controller 2.1.1 or later
- When executing Firmware Update, the update fails in the standard state after startup.
- Firmware Update is possible by turning on Remote Support.
Please turn off Remote Support after the update is complete.
- When a 1080p 29.97 signal is input and Slave mode, the signal may not be correctly identified and may not be broadcasting.
Release Note for Smart-telecasterTM Zao 11 May 2020
This update includes Update Feature, Bug Fix and specification change. For details, please see the following.
- Smart-telecaster Zao V3.3.1(1104) ⇒ V3.3.2(1105)
- The “SELECT SOURCE FRAMERATE” menu disappears.
- Fixed a problem that “Disconnecting” status does not return to “OFF-AIR” when disconnecting. If there is no response from the connection destination during processing, it will forcibly transit to the OFF-AIR state in 60 seconds.
- Fixed a bug that the line that can be normally connected to the Internet in OFF-AIR state is displayed as an X icon in some modem combinations.
- Added a compatible WiFi adapter. — 3R 3R-KCWLAN
Known bugs
- When using Zao Controller 2.0.1, “Auto Connection” is not displayed from the option setting menu.
- When executing Firmware Update, the update fails in the standard state after startup.
- Firmware Update is possible by turning on Remote Support. Please turn off Remote Support after the update is complete.
Release Note for Smart-telecasterTM Zao – 31 Jan 2020
This update includes Update Feature, Bug Fix and specification change. For details, please see the following.
- Smart-telecaster Zao V3.3.0 (1103) ⇒ V3.3.1 (1104)
- Supports input signal 1080p 29.97 / 25.
- HDMI input only.
- HDMI is supported by V3.3.0 (2073) or later.
- New operation mode is supported.
By select Slave Mode Level 3 on Zao Web Management System, can connect / disconnect from both terminal and Zao Web Management System.
- Fixed the bug that normal line is indicated by x icon in OFF-AIR state.
- When using Zao Controller 2.0.1, “Auto Connection” is not displayed from the option setting menu.
- When executing Firmware Update, the update fails in the standard state after startup.
- Firmware Update is possible by turning on Remote Support.
Please turn off Remote Support after the update is complete.
Dec 6, 2019
Release Note for Smart-telecasterTM Zao
This update includes Update Feature, Bug Fix and specification change.
For details, please see the following.
- Smart-telecaster Zao V3.2.0(1102) ⇒ V3.3.0(1103)
- Supports input signal 1080p 29.97 / 25.
- Added a compatible modem.
- Changed the antenna notation of the modem in STANDBY state.

3.2.0 or earlier: Displays the antenna icon when the modem is recognized.
3.3.0 or later: When the modem is recognized and connected to the Internet, click the antenna icon. Display and change the antenna to a cross icon when not connected to the Internet.
- After connecting to Zao Web Management System (hereinafter referred to as “service”), a dedicated icon will be displayed if the service cannot be connected due to network problems.

- Fixed a bug that caused modems not to function when multiple LG modems (L-03D, L-03F) were connected.
- When using Zao Controller 2.0.1, “Auto Connection” is not displayed from the option setting menu.
- When executing Firmware Update, the update fails in the standard state after startup.
- Firmware Update is possible by turning on Remote Support.
Please turn off Remote Support after the update is complete.
- In the OFF-AIR state, the line that can be connected to the Internet normally may be indicated by an x icon.
OCT 3, 2019 Release Note for Smart-telecasterTM Zao
This update includes Update Feature, Bug Fix and specification change.
For details, please see the following.
This update is a control release.
Only customers who wish to update will be able to update, so if you want to update, please contact our sales representative.
Also, after the update, it is impossible to downgrade to the previous version. Please be careful.
- Smart-telecaster Zao V2.0.1(1096) ⇒ 2.0(1102)
- Connect to Zao Web Management System at startup.
Customers who are not using Zao Web Management System can use STANDALONE MODE.
Please check the attached sheet for UI and screen transitions.
- Added an available WiFi adapter.
- Fixed issue that the bit rate may not increase in a situation where the line delay is large, such as a satellite line.
- Added the function to send keyframes. By default, key frames are sent every 10 seconds.
~V2.0.0: Send keyframe when connected
V3.2.0~: Send keyframes at regular intervals with the connection.
* With Zao Controller V2.1.0, the function can be turned ON / OFF and the transmission interval setting can be changed.
5. Fixed a bug that IFB was interrupted.
6. Changed IFB Delay amount.
~V2.0.0: 1200ms fixed.
V3.2.0~: 30% of Delay value. (Min: 120ms, Max: 1560ms)
Example 1: For Delay 1800ms、IFB delay 600ms
Example 2: For Delay 30000ms、IFB delay 1560ms
- Minor bug fixes
* Items 4, 5, and 6 are enabled when connected to HD View Single 3.9.1 or later,
or HD View Single 2.2.2 or later.
- For customers using Zao Web Management System, we have confirmed that the various functions do not work properly.
- If multiple LG modems (L-03D, L-03F) are connected, the modem will not function.
- When executing Firmware Update, the update fails in the standard state after startup.
* Firmware Update is possible by turning on Remote Support.
Please turn off Remote Support after the update is complete.
Attachment: UI and screen transition
After starting Zao, the cloud icon will flash on the screen.
While the cloud icon is blinking, connection to Zao Web Management System is being made.
* After starting up, customers who cannot connect to Zao Web Management System or who are not using Zao Web Management System will automatically switch to STANDALONE MODE (described later) after 5 minutes.

If press the “START” or “MODE” button while the cloud icon is blinking, the following confirmation screen will be displayed.
Press “YES” on the confirmation screen to operate in the conventional mode (STANDALONE MODE).
* While operating in STANDALONE MODE, the word “SA” is displayed at the cloud icon display position.


Smart-telecaster Zao V2.0.1(1096) ⇒ 2.0(1102)
- Connect to Zao Web Management System at startup.
Customers who are not using Zao Web Management System can use STANDALONE MODE.
Please check the attached sheet for UI and screen transitions.
- Added an available WiFi adapter.
- Fixed issue that the bit rate may not increase in a situation where the line delay is large, such as a satellite line.
- Added the function to send keyframes. By default, key frames are sent every 10 seconds.
~V2.0.0: Send keyframe when connected
V3.2.0~: Send keyframes at regular intervals with the connection.
* With Zao Controller V2.1.0, the function can be turned ON / OFF and the transmission interval setting can be changed.
- Fixed a bug that IFB was interrupted.
- Changed IFB Delay amount.
~V2.0.0: 1200ms fixed.
V3.2.0~: 30% of Delay value. (Min: 120ms, Max: 1560ms)
Example 1: For Delay 1800ms、IFB delay 600ms
Example 2: For Delay 30000ms、IFB delay 1560ms
- Minor bug fixes
* Items 4, 5, and 6 are enabled when connected to HD View Single 3.9.1 or later,
or HD View Single 2.2.2 or later.
- For customers using Zao Web Management System, we have confirmed that the various functions do not work properly.
- If multiple LG modems (L-03D, L-03F) are connected, the modem will not function.
- When executing Firmware Update, the update fails in the standard state after startup.
* Firmware Update is possible by turning on Remote Support.
Please turn off Remote Support after the update is complete.
Attachment: UI and screen transition
After starting Zao, the cloud icon will flash on the screen.
While the cloud icon is blinking, connection to Zao Web Management System is being made.
* After starting up, customers who cannot connect to Zao Web Management System or who are not using Zao Web Management System will automatically switch to STANDALONE MODE (described later) after 5 minutes.
If press the “START” or “MODE” button while the cloud icon is blinking, the following confirmation screen will be displayed.
Press “YES” on the confirmation screen to operate in the conventional mode (STANDALONE MODE).
* While operating in STANDALONE MODE, the word “SA” is displayed at the cloud icon display position.
Release Note for Smart-telecaster Zao V2.0.1 Nov 2017
□Outline
This update includes bug fixes and security update.
For details, please see the following.
□ Update Feature of Smart-telecaster Zao V2.0.0(1095)→V2.0.1(1096)
○Bug fix
- Fixed an issue that the whole bit rate cannot be raised when there is a line with no communication speed in the connected line.
- Fixed a problem that the line speed may not rise in spite of the condition that the line can be used.
- Fixed an issue that Zao Controller can’t connect to the Zao access point when DNS setting of Line 7 (LAN port on top) was left to empty setting(Blank).
- Patched a modification for the KRACKs (the vulnerability of WPA2).
- Enhanced the security by setting up the port filter.
- Added the supported modem.
※Please refer to the “Smart-telecaster Zao supported modem list” for the modem.
- Zao V1.6.0 update procedure and notice
- It is described in the page 17 of User’s Guide” of the accompanying “SETTING mode (updates)”.
Update will take about 3 to 10 minutes. Please refer to the following figures about update process.
※ During update process display becomes black screen and four LED begin to flash. THIS IS NORMAL OPERATION. Please wait for a while as it is. Zao will automatically shut down.

- Please do not turn off the power during the update process. It will be the cause of failure.
Contact:
Soliton Systems K.K.
Mobile Broadcasting Division
2-4-3, Shinjuku, Shinjuku-ku, TOKYO 160-0022 JAPAN
Mail: stc-mkt@list.soliton.co.jp
Release Note for Smart-telecaster Zao V2.0.0
□Outline
This update includes specification changes, new functions, and bug fix.
For details, please see the following.
□ Update Feature of Smart-telecaster Zao V1.6.0(1094h)→V2.0.0(1095)
○Specification changes
- Improved the broadcasting protocol.(RASCOW BOOST)
– Used each line as equitably as possible.
– Improved the stability of the broadcast in a situation where the line is congested.
– Improved the rise velocity of bit rate.
- When “Remote Support” is set to “ON”, it will always try to connect to a remote support site unless it is turned “OFF” manually. After shutting down, it will automatically set to “ON”.
- The log expression has changed.
○The new function and bug fix
- Responded to the serial port tunneling function.
The serial port setting can be set from the STC Zao controller – Setting Menu.
※In order to use the serial port tunneling function, it is necessary to separately buy the USB serial cable and update the STC Zao controller to Ver 1.6.1.
-
- Increased the number of destinations stored from 5 to 10.
- Improved the problem of failing USB memory format.
Zao V1.6.0 update procedure and notice
- It is described in the User’s Guide” of the accompanying “5.1.8.4 SETTING mode (Firmware updates)”.
Update will take about 7 to 10 minutes. Please refer to the following figures about update process.
※ During the update process, the display becomes black screen and four LEDs begin to flash. THIS IS NORMAL OPERATION. Please wait for a while as it is. Zao will automatically shut down.

Please do not turn off the power during the update process. It will be the cause of failure.
Contact:
Soliton Systems K.K.
Mobile Broadcasting Division
2-4-3, Shinjuku, Shinjuku-ku, TOKYO 160-0022 JAPAN
Mail: stc-mkt@list.soliton.co.jp
Release Note for Smart-telecaster Zao V1.6.0 (July. 10, 2017)
□ Update Feature of Smart-telecaster Zao V1.6.0(1094)→V1.6.0(1094h)
- Fixed an issue that button operation cannot be operated and the broadcast is stopped.
- Fixed an issue that broadcasting video becomes jumpy.
- Fixed an issue that several pixels on the bottom right are not updated in 720p.
- Zao V1.6.0 update procedure and notice
- It is described in the page 17 of User’s Guide” of the accompanying “SETTING mode (FIRMWARE UPDATES)”.Update will take about 7 to 10 minutes. Please refer to the following figures about update process.
※ During update process display becomes black screen and four LED begin to flash. THIS IS NORMAL OPERATION. Please wait for a while as it is. Zao will automatically shut down.
- Please do not remove a power supply to force to turn off during the update process. It will be the cause of failure.
Contact:
Soliton Systems K.K.
Mobile Broadcasting Division
2-4-3, Shinjuku, Shinjuku-ku, TOKYO 160-0022 JAPAN
Mail: stc-mkt@list.soliton.co.jp
Release Note for Smart-telecaster Zao V1.6.0&HD View 3.5.1 (March 2017)
□ Update Feature of Smart-telecaster Zao V1.5.0(1093)→V1.6.0(1094)
- “Rec&Go” function is added. It gives users the option to store and forward.
Please check on page 14 of User’s Guide(Ver.1.5.1) for more information.
- Fixed an issue that APN setting is displayed incorrectly, when multiple modems of the same model are connected. Please refer to the “Smart-telecaster Zao supported modem list” for the modem.
□ Update Feature of Smart-telecaster HD View V3.4.8→V3.5.1
- Zao-S is supported.
- Stored video data forwarded from Zao can be played on HDView.
Please check on page 14 of User’s Guide(Ver.1.5.1) for more information.
- Fixed an issue that video is not played back when delay setting is changed to shorten the time value during broadcasting.
- Fixed an issue that video won’t be played back when connecting with the delay setting of 30,000 msec.
- Fixed an issue that lip-synchronization will be deviated more than 1 minute with the delay setting of 30,000 msec.
- Fixed an issue that HD View hangs when encryption fails.
- Improved Network Graph displaying connection speed numerically and graphically.
□ Update Feature of Zao controller V1.5.0→V1.6.0
- Zao-S is supported.
Zao controller can be used in common for Smart-telecaster Zao and Zao-S.
- Zao V1.6.0 update procedure and notice
- It is described in the page 17 of User’s Guide” of the accompanying “SETTING mode (updates)”.
Update will take about 7 to 10 minutes. Please refer to the following figures about update process.
※ During update process display becomes black screen and four LED begin to flash. THIS IS NORMAL OPERATION. Please wait for a while as it is. Zao will automatically shut down.
- Please do not turn off the power during the update process. It will be the cause of failure.
Contact:
Soliton Systems K.K.
Mobile Broadcasting Division
2-4-3, Shinjuku, Shinjuku-ku, TOKYO 160-0022 JAPAN
Mail: stc-mkt@list.soliton.co.jp
□ Smart-telecaster Zao V1.4.3(1091)→V1.5.0(1093)
1. If the session was disconnecteddue to the bad network condition, the session will be automatically reconnected from Zao. (Automatic reconnectionfunction)
2. The speed of connection process is improved.
※Please refer to the “Smart-telecaster Zao supported modem list”for the modem.
□ Smart-telecasterHD View V3.4.6→V3.4.8
1. Fixed an issue that the video stops when broadcasting.
2. Fixed an issue that the display of bit rate value on each line is 0Kbps even though receiving data.
3. Fixed an issue that the broadcast sometimes stops whena communicationerroroccurs.
□ Zao Controller V1.4.2→V1.5.0
1. “Auto-reconnection function”is added.
Itcan be configuredrom “connection setting”in the setting menu.
2. Fixed an issue that the update of displaystopswhenbroadcasting.
※ Zao V1.4.3 update procedure and warning
・ It is described in thepage 17ofUser’s Guide” of the accompanying”SETTINGmode(updates)”.
Update will take about 3 to 5minutes. Please refer to the following figures about update process.
※During update processdisplay becomes black screenand four LED begin to flash. THIS IS NORMAL OPERATION. Please wait for a while as it is. Zao will automatically shut down.
・ Please do not turn off the power during the updateprocess.It will be the cause of failure.
□ Update Feature of Smart-telecaster Zao V1.4.2(1087)→V1.4.3(1089)
1. Fixed an issue that the video is collapsed with partial discoloration when broadcasting.
2. Fixed an issue that the video is jumpy on the video format SD when broadcasting.
3. Fixed an issue that the access point name of Zao will not be displayed when changing the access point name of the wifi
of Zao on the top surface. It might be caused by the version mismatch between Zao Controller and Zao.
4. Fixed an issue that the sound from Zao is interrupted momentarily when broadcasting.
5. Increased Log Output stored in the USB memory.
6. Fixed minor bugs.
□ Update Feature of Smart-telecaster HDview V3.4.2→V3.4.6
1. HDView has come to be able to detect the video that was collapsed with partial discoloration.
When detecting the corrupted video, it requests a key frame to Zao and recovers the video distortion automatically.
2. Fixed an issue that the video stops when broadcasting.
3. Increased Log Output stored in the server
4. Fixed minor bugs.
► Zao Update procedure and notice
◦ It is described in the page 17 of “User Guide v1.4.0” of the accompanying “SETTING mode (Firmware Update)“.
The update will take about 7 to 10 minutes. Please refer to the following figures about update process.
During update process display becomes black screen and four LED begin to flash. THIS IS NORMAL OPERATION.
Please wait for a while as it is. Zao will automatically shut down.
◦ Please do not turn off the power during the update process. It will be the cause of failure.
Release Note for Smart-telecaster Zao / Zao Controller V1.40
□ Update Feature of Smart-telecaster Zao V1.4.1 (1086) → V1.4.2 (1087).
1. Fixed a part of bug that application is hanged up.
2. At the time of disconnect, fixed the bug that can not change OLED from disconnect state.
3. Increased Log output to USB memory.
4. Fixed a minor bug
5. Add the available modem.
□ Update Feature of Smart-telecaster HDview V3.4.1 → V3.4.2
1. Fixed the bug that application is hang-up when connecting or disconnecting.
2. Fixed the bug that audio from view disappeared during broadcast.
3. Fixed the bug that can not output a sound to extentioal display when using Portguese OS.
□ Update Feature of Zao controller V1.4.0 → V1.4.1
1. Removed the input character limit(SSID and Pasword).
2. The modem s APN has become possible to set and edit.
3. Became the DNS setting can be set to Line7
4. The radio channel of Zao s AP cam be changed.
5. Can connect to no security AP
※This function is β.
6. Each Line s bitrate display was more accurate.
※You must be updated to Zao V1.4.2(1086)to use these features.
► Zao V1.4.0 update procedure and notice
◦ It is described in the page 17 of User’s Guide” of the accompanying “SETTING mode (updates)”.
◦ Update will take about 7 to 10 minutes. Please refer to the following figures about update process.
During update process display becomes black screen and four LED begin to flash. THIS IS NORMAL OPERATION.
Please wait for a while as it is. Zao will automatically shut down.
◦ Please do not turn off the power during the update process. It will be the cause of failure.
Contact Information:
Soliton Systems K.K.
Mobile Broadcasting Division
2-4-3, Shinjuku, Shinjuku-ku, TOKYO 160-0022 JAPAN
Mail: stc-mkt@list.soliton.co.jp