Crystal Vision Indigo SW221 3G User manual

SW221 3G
3G/HD/SD 2 x 2 switch
Crystal Vision Ltd., Lion Technology Park, Station Road East, Whittlesford, Cambridge, CB22 4WL, England.
Tel: [phone] Fax: [phone] [e-mail] www.crystalvision.tv

Crystal Vision SW221 3G User Manual
SW221 3G User Manual R1.4 101/09/2016
Contents
1Introduction 3
2Hardware installation 4
2.1 Module configuration 4
2.2 Rear modules and signal I/O 5
Rear module connections with RM53 5
Rear module connections with RM54 5
2.3 General Purpose Interface (GPI) 6
3Card edge operation 9
3.1 Card edge controls 9
3.2 Card edge buttons 9
3.3 Card edge rotary control 9
3.4 Reading card edge LEDs 10
3.5 Navigating card edge menus 10
3.6 Card edge configuration 11
Menu tree 11
Status menu 11
Control menu 12
4Using the front control panel 15
4.1 Module selection 15
4.2 The SW221 3G active panel menu structure 17
Active control panel menu 17
Status menu 18
Control menu 18

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5Statesman 21
5.1 Statesman operation 21
Status 22
Switch 22
6Trouble shooting 25
Basic fault finding guide 26
7Specification 27
Revision 1. Routing reconfigured and GPI controls added. 01-11-10
Revision 2. GPI control table added to page 6. 07-12-10
Revision 3. Output 2 switch selection amended. Pages 12 & 18. 09-02-11
Revision 4. GPIs selected to level clarified. Pages 6, 13, 20 and 24. 12-08-11
Board link information updated. Page 4.

Crystal Vision Introduction
SW221 3G User Manual R1.4 301/09/2016
1 Introduction
The SW221 3G provides simple 2 x 2 switching of 3G, HD or SD signals, making it ideal for
use either as an emergency transmission switch or to manually bypass products requiring
maintenance in a 24 hour station.
The SW221 3G is ideal for switching between the main and backup feeds of a television
station, and offers independent control of the two outputs. With manual switching there is the
choice of switching between two feeds either immediately or in the vertical blanking period,
with the SW221 3G detecting the video standard and switching at the appropriate point to
enable a cleaner switch.
An automatic switch away from a faulty source is triggered immediately on loss of input or
invalid video, determined by loss of the sync word structure. A single format can be set as
valid, allowing the SW221 3G to automatically switch away from inputs that are legal but not
the correct format. Switching back can either be automatic or by user intervention. When set
to automatic the board will switch back if the original input returns to a valid state, with a
programmable delay ensuring that the previously faulty input remains good for the selected
time period. When set to user activated it will stay on the new selection until the routing is
changed by the operator, or the new input becomes invalid.
The SW221 3G card can be controlled by Statesman PC control software, active control panel
such as the REMIND-E, SNMP or from its card edge controls.
The main features of SW221 3G are:
•2 x 2 switch which works with 3G, HD and SD
•Manual switch either immediately or timed
•Automatic switching on detection of missing input, invalid signal or format
•Flexible control, including board-edge, Statesman and remote panels, SNMP and
GPIs
•Space-saving: 100mm x 266mm module allowing 24 SW221 3G in 4U
The SW221 3G fits in Crystal Vision’s four standard frames and can be integrated with any
boards from the company’s full product range. The RM53 and RM54 are the frame rear
modules. The RM54 has the benefit of relay bypass on out A.

Crystal Vision Hardware installation
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2 Hardware installation
The SW221 3G single height module uses the RM53 and RM54 rear connectors, and will fit
into all of the Crystal Vision rack frames. All modules can be connected or removed while the
frame is powered, without damaging the board.
2.1 Module configuration
SW221 3G
Link configuration and LEDs
There are 13 jumper links and three surface-mounted LEDs on the SW221 3G. The surface-
mounted LEDs are not visible from the front of the frame and are included for diagnostic
purposes only.
Comment
J3-6 GPI
control
←
422
comms
→
Ethernet
comms
→
J9-12 na na na
J1 External reference input termination. 1-2 75R, 2-3 Hi Z
J2 Leave in position 1-2
→
J7 J8 Not used
PL6 2-3 (lower) selected IP address. 1-2 (upper) forced IP address 10-0-0-201
LED1 CPU configuration in progress
LED2 Ethernet Data
LED3 Ethernet Link
Note:
Links J1-12 have been factory set and should not require reconfiguring

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2.2 Rear modules and signal I/O
The 4U Indigo 4 frame will house up to 24 single height modules with up to three power
supplies. The 2U Indigo 2 frames will house up to 12 single height modules and dual power
supplies. The 1U Indigo 1 frames will house six single height modules and a single power
supply. The Indigo DT desktop box has a built-in power supply and will house up to two
single height modules.
Note:
For details of fitting rear connectors please refer to the appropriate frame manual
Rear module connections with RM53
RM53 fits in all frames Description
RM53
•24 SW221 3G modules per
Indigo 4 frame
•12 per Indigo 2 frame
•Six per Indigo 1 frame
•Two per Indigo DT
•All frame slots can be used
Rear module connections with RM54
RM54 fits in all frames Description
RM54
•24 SW221 3G modules per
Indigo 4 frame
•12 per Indigo 2 frame
•Six per Indigo 1 frame
•Two per Indigo DT
•
All frame slots can be used
RM53 BNC RM54 BNC I/O assignment
HD/SD IN 2 HD/SD IN 2 Serial Digital Input 2 (Aux or Standby Input)
HD/SD IN 1 HD/SD IN 1 Serial Digital Input 1 (Main Programme Input)
HD/SD OUT 1A HD/SD OUT 1
(switched) Reclocked SDI output (Programme Out) with relay
bypass protection (RM54 only)
HD/SD OUT 1B HD/SD OUT 1
(Unswitched) Reclocked SDI output (Programme Out) with no relay
bypass protection
HD/SD OUT 2A HD/SD OUT 2 Reclocked SDI output (User selectable)
HD/SD OUT 2B NC No user connection

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2.3 General Purpose Interface (GPI)
Each frame slot has up to six connections ‘a-f ‘for GPI control and monitoring. These
connections are available at the rear of the frame on the 26-way D-Type remote connectors.
GPI Low (<1V) High (+5V) Notes
1 ‘a’ See configuration table Held low for tally
2 ‘b’ Held low for tally
3 ‘c’ See configuration table Held low for tally
4 ‘d’ Held low for tally
5 ‘e’ Input 1 present Input 1 absent
6 ‘f’ Input 2 present Input 2 absent
As supplied, each GPI output has a 270Ω resistor in series with its output. This allows for an
external LED to be driven, connected to a DC voltage of +5V.
The GPI inputs can be used to control input selection/routing and are configurable for either
edge or level trigged. They can also be used to give a tally of the selection/routing. When GPI
control is selected to ‘level’ GPI = High (floating) selects Input 1 and GPI = Low (pulled to
ground) selects Input 2.
Output A and output B both have individual GPI controls/tally’s and can be selected to
perform the following functions.
Output A
Output B
No GPI control. Tally on ‘b’ No GPI control. Tally on ‘d’
Level on ‘a’. Tally on ‘b’ Level on ‘c’. Tally on ‘d’
Edge on ‘a’. Tally on ‘b’ Edge on ‘c’. Tally on ‘d’
Edge on ‘a’ and ‘b’. Tally on ‘a’ and ‘b’ Edge on ‘c’ and ‘d’. Tally on ‘c’ and ‘d’
Edge on ‘a’ and ‘b’. No tally Edge on ‘c’ and ‘d’. No tally
4U frame GPI connections
GPI lines ‘a’ to ‘f’ of each card connect to one of eight rear remote connectors as follows:
Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin
1
8 (1)
9 (1)
18 (1)
26 (1)
19 (2)
20 (2)
2
7 (1)
16 (1)
17 (1)
25 (1)
10 (2)
11 (2)
3
8 (3)
9 (3)
18 (3)
26 (3)
19 (4)
20 (4)
4
7 (3)
16 (3)
17 (3)
25 (3)
10 (4)
11 (4)
5
5 (1)
6 (1)
15 (1)
24 (1)
1 (2)
2 (2)
6
4 (1)
14 (1)
13 (1)
23 (1)
3 (2)
4 (2)
7
5 (3)
6 (3)
15 (3)
24 (3)
1 (4)
2 (4)
8
4 (3)
14 (3)
13 (3)
23 (3)
3 (4)
4 (4)
9
3 (1)
12 (1)
22 (1)
21 (1)
12 (2)
13 (2)
10
10 (1)
11 (1)
19 (1)
20 (1)
21 (2)
22 (2)
11
3 (3)
12 (3)
22 (3)
21 (3)
12 (4)
13 (4)
12
10 (3)
11 (3)
19 (3)
20 (3)
21 (4)
22 (4)
Upper

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Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin
1
8 (5)
9 (5)
18 (5)
26 (5)
19 (6)
20 (6)
2
7 (5)
16 (5)
17 (5)
25 (5)
10 (6)
11 (6)
3
8 (7)
9 (7)
18 (7)
26 (7)
19 (8)
20 (8)
4
7 (7)
16 (7)
17 (7)
25 (7)
10 (8)
11 (8)
5
5 (5)
6 (5)
15 (5)
24 (5)
1 (6)
2 (6)
6
4 (5)
14 (5)
13 (5)
23 (5)
3 (6)
4 (6)
7
5 (7)
6 (7)
15 (7)
24 (7)
1 (8)
2 (8)
8
4 (7)
14 (7)
13 (7)
23 (7)
3 (8)
4 (8)
9
3 (5)
12 (5)
22 (5)
21 (5)
12 (6)
13 (6)
10
10 (5)
11 (5)
19 (5)
20 (5)
21 (6)
22 (6)
11
3 (7)
12 (7)
22 (7)
21 (7)
12 (8)
13 (8)
12
10 (7)
11 (7)
19 (7)
20 (7)
21 (8)
22 (8)
Table shows pin number (Remote number)
Note: Remote 1, Remote 3, Remote 5 and Remote 7 are 26-way high-density D-Type female
sockets. Frame ground is pin 2 and +5V @500mA is pin 1 in each case.
Remote 2, Remote 4, Remote 6 and Remote 8 are 26-way high-density D-Type male plugs
and frame ground is pin 6 in each case and +5V @500mA is pin 15 on Remote 2 and Remote
6.
Note. The +5V output is protected by self-resetting thermal fuses, which limit the total output
current available from Remotes 1-4 to approximately 1amp. Remotes 5-8 are similarly
protected.
2U frame GPI connections
GPI lines ‘a’ to ‘f’ of each card connect to one of four rear remote connectors as follows:
Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin
1
8 (1)
9 (1)
18 (1)
26 (1)
19 (2)
20 (2)
2
7 (1)
16 (1)
17 (1)
25 (1)
10 (2)
11 (2)
3
8 (3)
9 (3)
18 (3)
26 (3)
19 (4)
20 (4)
4
7 (3)
16 (3)
17 (3)
25 (3)
10 (4)
11 (4)
5
5 (1)
6 (1)
15 (1)
24 (1)
1 (2)
2 (2)
6
4 (1)
14 (1)
13 (1)
23 (1)
3 (2)
4 (2)
7
5 (3)
6 (3)
15 (3)
24 (3)
1 (4)
2 (4)
8
4 (3)
14 (3)
13 (3)
23 (3)
3 (4)
4 (4)
9
3 (1)
12 (1)
22 (1)
21 (1)
12 (2)
13 (2)
10
10 (1)
11 (1)
19 (1)
20 (1)
21 (2)
22 (2)
11
3 (3)
12 (3)
22 (3)
21 (3)
12 (4)
13 (4)
12
10 (3)
11 (3)
19 (3)
20 (3)
21 (4)
22 (4)
Table shows pin number (remote number)
Note:
Remote 1 and Remote 3 are 26-way high-density D-Type female sockets. Frame ground is
pin 2 and +5V @500mA is pin 1 in each case.
Remote 2 and Remote 4 are 26-way high-density D-Type male plugs and frame ground is pin
6 in each case and +5V @500mA is pin 15 on Remote 2.
Note. The +5V output is protected by self-resetting thermal fuses, which limit the total output
current available from Remotes 1-4 to approximately 1amp.
Lower

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1U frame GPI connections
GPI lines ‘a’ to ‘f’ of each card connect to one of two rear remote connectors as follows:
Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin
1
8 (1)
9 (1)
18 (1)
26 (1)
19 (2)
20 (2)
2
7 (1)
16 (1)
17 (1)
25 (1)
10 (2)
11 (2)
3
5 (1)
6 (1)
15 (1)
24 (1)
1 (2)
2 (2)
4
4 (1)
14 (1)
13 (1)
23 (1)
3 (2)
4 (2)
5
3 (1)
12 (1)
22 (1)
21 (1)
12 (2)
13 (2)
6
10 (1)
11 (1)
19 (1)
20 (1)
21 (2)
22 (2)
Table shows pin number (remote number)
Note:
Remote 1: 26-way high-density D-Type female socket. Frame ground is pin 2 and +5V
@500mA is pin 1.
Remote 2: 26-way high-density D-Type male plugs and frame ground is pin 6 and +5V
@500mA is pin 15.
Note. The +5V output is protected by self-resetting thermal fuses, which limit the total output
current available from Remotes 1-2 to approximately 1amp.
Indigo DT desk top box GPI connections
GPI lines ‘a’ to ‘f’ of each card connect to the rear remote connector as follows:
Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin
1
8 (1)
9 (1)
18 (1)
26 (1)
19 (2)
20 (2)
2
7 (1)
16 (1)
17 (1)
25 (1)
10 (2)
11 (2)
Table shows pin number (remote number)
Note:
Remote 1: 26-way high-density D-Type female socket. Frame ground is pin 2 and +5V
@500mA is pin 1.
Remote 2: 26-way high-density D-Type male plugs and frame ground is pin 6 and +5V
@500mA is pin 15.
Note. The +5V output is protected by self-resetting thermal fuses, which limit the total output
current available from Remotes 1-2 to approximately 1amp.

Crystal Vision Card edge operation
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3 Card edge operation
The card front is provided with a 10-digit display and push switches to navigate the control
and status menus. LEDs are provided to give indication of power rail monitoring and the
switch configuration.
3.1 Card edge controls
SW221 3G card front edge view
3.2 Card edge buttons
The two tactile push button switches allow the operator to navigate within the menu structure.
Button Function Normal state Up, Action Down

Up Menu Push to jump up a menu level or cancel a selection
ENTER Select/Action Push to select a menu and to action and confirm a change
3.3 Card edge rotary control
The board edge rotary encoder is used to navigate through the menu categories and adjust
parameter values.
Control Function
SCROLL
/ADJUST
Rotate SCROLL to identify a menu category. In combination with the ENTER button
select and ADJUST to change the current level or select a further option.
Notes: The rotary control can access menus and parameter values by clockwise or anti-clockwise
rotation.

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3.4 Reading card edge LEDs
Card edge LEDs may be used in conjunction with status information from any connected
remote status panel displayor from Statesman if available.
Refer also to the trouble-shooting chapter for more help with solving problems and monitoring
status information.
The following table summarises the card edge LED functions and colours:
Name
LED
Colour
Function when ON
Function when Off
IP 1 Yellow Input 1 present Input not present
IP 2 Yellow Input 2 present Input not present
PSU Green Good power supply (PSU) rails One or more of the monitor
supplies is out of specification
Yellow Not currently supported
IN1 OP1 Yellow Output 1 showing input 1
IN2 OP1 Yellow Output 1 showing input 2
IN1 OP2 Yellow Output 2 showing input 1
IN2 OP2 Yellow Output 2 showing input 2
3.5 Navigating card edge menus
To access the card edge menu system proceed as follows:
•Press the up-arrow [ ] until a top menu category is reached
•Rotate the SCROLL control until the desired menu category is found
•Push ENTER to enter the sub menus of that category
•Rotate SCROLL to select a sub menu
•Push ENTER to select the desired function. Selection will be indicated by the text
being displayed in italic text
•Rotate ADJUST to make the desired change to the selected parameter. The display
brightness will flash slowly to indicate that a change has been made and requires
confirmation
•Push ENTER to action the change. The display will cease flashing
•Use the up-arrow [] and SCROLL control to navigate to further menus
Notes:
The displayed menu brightness will flash slowly if confirmation of a change is required.

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3.6 Card edge configuration
Menu tree
Tip:
To reach the top menu push the button repeatedly until a top menu is reached.
Rotate the SCROLL control anti-clockwise until the Status menu appears.
Status menu
From the Status top menu press ENTER then SCROLL to access the Status menu list.
Menu Comment
Input 1video
standard The Input 1 video standard is shown.
1080p 50/59.94/60, 1080i 50/59.94/60, 720p 50/59.94/60, 625, 525,
Unknown, Missing.
Input 2video
standard The Input 2 video standard is shown.
1080p 50/59.94/60, 1080i 50/59.94/60, 720p 50/59.94/60, 625, 525,
Unknown, Missing.
Software
version
installed
The version number of the currently installed software.
Electronically
store serial
number
The electronically stored PCB serial number. This should correspond
with the serial number label affixed to the PCB connector.

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Control menu
From the Status top menu rotate SCROLL to display the Control menu. Press ENTER to enter
the Control menu and rotate SCROLL to show the available options. To select an option press
ENTER, this will cause the display text to change from a normal font to an italic font showing
the option has been selected. Rotate SCROLL to set the required variable and press ENTER to
fix the selection.
Menu Comment
Output 1
selection
Rotate the Scroll/Adj. control to show Output 1 selection. Press
ENTER and rotate Scroll/Adj. to select. Press ENTER to select.
Input 1, Input 2.
Output 2
selection
Rotate the Scroll/Adj. control to show Output 2 selection. Press
ENTER and rotate Scroll/Adj. to select. Press ENTER to select.
Input 1, Input 2, Follow A, Not A.
Switching mode Rotate the Scroll/Adj. control to show Switching mode. Press ENTER and rotate Scroll/Adj. to select. Press ENTER to select.
Frame, Field, Immediate.
Automatic
switching mode
Rotate the Scroll/Adj. control to show automatic switching mode.
Press ENTER and rotate Scroll/Adj. to select. Press ENTER to select.
Yes, No.
Automatic
switching mode
Rotate the Scroll/Adj. control to show automatic switching mode.
Press ENTER and rotate Scroll/Adj. to select. Press ENTER to select.
Yes, No.
Valid input
standard
selection
Rotate the Scroll/Adj. control to show Valid input standard. Press
ENTER and rotate Scroll/Adj. to select. Press ENTER to select.
All, 1080p 50/59.94/60, 1080i 50/59.94/60, 720p 50/59.94/60, 625,
525.
Switching
characteristic
Rotate the Scroll/Adj. control to show the switching control.
Press ENTER and rotate Scroll/Adj. to select.
Immediate, Delayed, Latch.
Switch back
delay
Rotate the Scroll/Adj. control to show Switch back Delay. Press
ENTER and rotate Scroll/Adj. to select.
2-60 seconds
Output A GPI
control
Rotate the Scroll/Adj. control to show Output A GPI control menu.
Press ENTER and rotate Scroll/Adj. to select.
No GPI control, tally on “b”. Level on “a”, tally on “b”.
Edge on “a”, tally on “b”. Edge on “a” & “b”, tally on “a” & “b”.
Edge on “a” & “b”, no tally.

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Output B GPI
control
Rotate the Scroll/Adj. control to show Output B GPI control menu.
Press ENTER and rotate Scroll/Adj. to select.
No GPI control, tally on “d”. Level on “c”, tally on “d”.
Edge on “c”, tally on “d”. Edge on “c” & “d”, tally on “c” & “d”.
Edge on “c” & “d”, no tally.
Factory defaults Rotate the Scroll/Adj. control to show Defaults. Press ENTER to
active selection then press ENTER to load factory default values.
Switch controls
Both outputs 1 and 2 can be routed individually to connect to either input 1 or input 2. Should
an error occur on one of the outputs associated input, the output can be selected to
automatically route away from the faulty input to the remaining good input by selecting the
automatic switching mode. The monitored error conditions are - no input and incorrect input
standard. The valid input standard is selectable from the valid input standard menu.
Switching mode
The switching modes available are Frame, Field or Immediate. These switching modes are
effective with either a manual switch or automatic switch. In Immediate mode the SW221 3G
will act immediately but this untimed ‘crash’ switch is likely to cause a picture disturbance.
Selecting either Field or Frame under non-catastrophic error conditions will allow the SW221
3G to switch away in a more tidy manner, assuming that the two inputs are co-timed.
Switch back
Once a switch has taken place automatic switch back will be controlled by the switch back
control. Immediate mode allows the switch to return once the error has disappeared for at least
one frame. In certain circumstances this could result in the output flip-flopping between the
two inputs erratically. To avoid this, the switching action can be either delayed or latched.
GPI configuration
The GPI inputs can be used to control input selection/routing and are configurable for either
edge or level trigged. They can also be used to give a tally of the selection/routing. When GPI
control is selected to ‘level’ GPI = High (floating) selects Input 1 and GPI = Low (pulled to
ground) selects Input 2.
Output A and output B both have individual GPI controls/tally’s and can be selected to
perform the following functions.
Output A
Output B
No GPI control. Tally on ‘b’ No GPI control. Tally on ‘d’
Level on ‘a’. Tally on ‘b’ Level on ‘c’. Tally on ‘d’
Edge on ‘a’. Tally on ‘b’ Edge on ‘c’. Tally on ‘d’
Edge on ‘a’ and ‘b’. Tally on ‘a’ and ‘b’ Edge on ‘c’ and ‘d’. Tally on ‘c’ and ‘d’
Edge on ‘a’ and ‘b’. No tally Edge on ‘c’ and ‘d’. No tally

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Factory Defaults
Factory defaults will return all parameters to their factory values.
Parameter Default value
Auto switch Output A No
Auto switch Output B No
Routing Output A Input 1
Routing Output B Input 1
Output switch timing Field
Switch mode Immediately
Valid signal format All
Switch back delay 2.0
GPI control Output A No GPI control. Tally on “b”
GPI control Output B No GPI control. Tally on “d”

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4 Using the front control panel
4.1 Module selection
This operational guide assumes that the panel has been set up according to the panel setup
procedure described in the Crystal Vision Control Panel manual.
Note:
It is ESSENTIAL that the panel set up procedure is followed and any old or unknown
passwords cleared prior to using the panel for the first time.
At power up all eight control panel keys LEDs will illuminate briefly. Once the panel has
completed its power up and configuration sequence the panel will enter Statesman mode and
the massage ‘Press Cal to Exit’ will be displayed.
Statesman mode is entered by default
To continue with control panel operation or configuration, press the CAL key once. A second
press of the CAL key will return to Statesman control.
The control panel will display the name of the card that first responds to the polling request
together with its location number.
The location number consists of the frame number plus the card position in the frame.
Navigating the display
The functions assigned to control panel keys are:
•DEVICE – enters Device menu to select a card or show cards available / enters
panel set up when held down during power up / shows frame status when pressed
from Statesman mode
•CAL – enters or leaves Statesman mode / enters Panel Diagnostics mode when held
down during power up / updates the display
•Asterisk – enters Board Rename menu from the Device menu
•F1 to F4 – soft keys, function assigned within each menu
•HOME – moves the display to the Home menu
•ENTER – accept current selection
•Upward arrow – used to move up the menu structure / enter Lock Panel menu from
the Device menu
•Rotary control – shaft encoder used to select options or variable data

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Note:
Please refer to the Crystal Vision Control Panel manual for details of the Panel Set up, Lock Panel and
Diagnostic menus.
Selecting a SW221 3G
To select a particular card in a frame, press the DEVICE key to go to the Device menu.
Note: There may be a delay whilst the frame is interrogated during which time the ‘No cards found’ could be
displayed.
The top line of the display will show ‘Available cards X’, where X is the number of cards that
have responded so far to the polling request.
The Available cards menu
Rotate the shaft encoder and the bottom row will display the successfully polled cards by
name and location or slot number.
In the example above, the card displayed is located in the first frame in slot number 1.
When the desired card is selected press the ENTER key to access that card’s Home menu. The
message shows that a SW221 3G has been selected.
The SW221 3G Home menu
Updating the display
The values displayed on an active front panel are only updated when an adjustment is made
and when changing menu level. If changes occur through the use of card edge controls or
other remote control, the text displayed on the active front panel will not be updated
immediately. If necessary, use the upward arrow to leave and then re-enter a menu to update
the display.

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4.2 The SW221 3G active panel menu
structure
At any time the main top-level menu (Home) is obtained by pressing the HOME key. From
the Home menu further selections can be made. Active function keys are indicated by
illuminated, integrated LEDs.
The main top-level menus for the SW221 3G are obtained by pressing the F1-F2 keys from
the Home menu. Menu keys are illuminated when active and when further menus are
available.
•The top-level menus are:
•Status – Press F1
•Control (Output configuration and switch functions) – Press F2
When a sub menu has been selected, further options may be obtained by using the shaft
control to scroll through them. Once the desired option has been located a selection or value
change can be made by either toggling the appropriate function key or by selecting and using
the shaft control to alter a numerical value. A configuration change or value will be activated
as the shaft control is rotated or function button is toggled. The variable being adjusted will
appear in brackets. If the variable updates in real time it will be contained within square
brackets [Field].
The following chart shows the available SW221 3G menus. The actual menus available may
vary slightly as software is updated.
Active control panel menu
Note:
Function key LEDs are illuminated when active.

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SW221 3G User Manual R1.4 18 01/09/2016
Status menu
Pressing button F1 from the Home menu will enter the Status menu. This menu is traversed by
rotating the shaft control.
No changes can be made from this menu as it is read only.
Note:
Not all status information will be updated in real time. If necessary press the * button
to update the display information.
Menu Comment
Input 1 video
format Rotate the shaft control to view the input 1 video standard.
1080p 50/59.94/60, 1080i 50/59.94/60, 720p 50/59.94/60, 625, 525,
Unknown, Input 1 Missing.
Input 2 video
format Rotate the shaft control to view the input 2 video standard.
1080p 50/59.94/60, 1080i 50/59.94/60, 720p 50/59.94/60, 625, 525,
Unknown, Input 2 Missing.
Software
version installed Rotate the shaft control to view the version number of the currently installed software.
Electronically
store serial
number
Rotate the shaft control to view the electronically stored PCB serial
number. This should correspond with the serial number label affixed
to the PCB connector.
Control menu
Pressing button F2 from the Home menu will enter the Control menu. Signal routing and
switching configurations are found here.
Menu Comment
Output A
routing
Rotate the shaft control to view the Output A Video Routing selection.
Press F2 to select menu. Rotate shaft control to changerouting.
Input 1, Input 2.
Output B
routing
Rotate the shaft control to view the Output B Video Routing selection.
Press F2 to select menu. Rotate shaft control to changerouting.
Input 1, Input 2, Follow A, Not A.
Switch
configuration
Rotate the shaft control to view the Output switch timing selection.
Press F2 to select menu. Rotate shaft control to make selection.
Immediate, Field, Frame.

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SW221 3G User Manual R1.4 19 01/09/2016
Output A
Automatic
switch selector
Rotate the shaft control to view the Automatic Switch selection.
Press F2 to select. Rotate the shaft control to make selection.
Yes, No.
Output B
Automatic
switch selector
Rotate the shaft control to view the Automatic Switch selection.
Press F2 to select. Rotate the shaft control to make selection.
Yes, No.
Valid video
format selector
Rotate the shaft control to view the Valid Signal format selection.
Press F2 to select. Rotate the shaft control to make selection.
All, 1080p 50/59.94/60, 1080i 50/59.94/60, 720p 50/59.94/60, 625,
525.
Switch back
characteristic
Rotate the shaft control to view the switching characteristic selection.
Press F2 to select. Rotate the shaft control to make selection.
Immediately, Delayed, Latch.
Switch back
delay
Rotate the shaft control to view the Switch back delay setting.
Press F2 to select. Rotate the shaft control to adjust.
2-60 seconds.
Output A GPI
control
Rotate the shaft control to view the Output A GPI control selection.
Press F2 to select. Rotate the shaft control to make selection.
No GPI Tally on b, Level a Tally b, Edge a Tally b, Edge ab Tally ab,
Edge ab No Tally.
Output B GPI
control
Rotate the shaft control to view the Output B GPI control selection.
Press F2 to select. Rotate the shaft control to make selection.
No GPI Tally on d, Level c Tally d, Edge c Tally cd, Edge sTally cd,
Edge cd No Tally.
Factory Defaults Rotate the shaft control to view the Factory defaults selection.
Press F2 to select and follow instructions displayed.
Switch controls
Both outputs 1 and 2 can be routed individually to connect to either input 1 or input 2. Should
an error occur on one of the outputs associated input, the output can be selected to
automatically route away from the faulty input to the remaining good input by selecting the
automatic switching mode. The monitored error conditions are - no input and incorrect input
standard.The valid input standard is selectable from the valid input standard menu.
Switching mode
The switching modes available are Frame, Field or Immediate. These switching modes are
effective with either a manual switch or automatic switch. In Immediate mode the SW221 3G
will act immediately but this untimed ‘crash’ switch is likely to cause a picture disturbance.
Selecting either Field or Frame under non-catastrophic error conditions will allow the SW221
3G to switch away in a more tidy manner, assuming that the two inputs are co-timed.