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Model 631A Program Timer Jr. Instruction Sheet
Specifications
Video
>70 dBmV @ 100 MHz.
>45 dBmV @ 450 MHz
Stereo Audio
DPDT w/screw terminals
Clock Accuracy
±1 sec per day @ 20°C
Battery Backup
1.5 VDC AA
Power Requirement
100-240 VAC ±2%, 50/60 Hz.
Power pack output; +12 VDC
Physical
2.00"H x 4.25"W x 6.50"D
Description
Monroe Electronics' Model 631A
Program Timer Jr. provides 2x1 (AB)
balanced stereo audio follow video
switching by timed commands. Six ‘ON’
and six ‘OFF’ instructions may be stored
in the timer’s memory. NO & NC
contact actions are also provided with
each timed switch .
The test button, under the ‘h+’ and ‘m +’
Buttons, is used to manually change the
status of the 2x1 switch.
Installation
1. Remove the four screws on the
cover of the 631A and install a AA
battery in the holder on the under
side of the PC board. Re-install the
cover screws.
2. Connect your main stereo
audio/video source to the primary
inputs.
3. Connect your alternate stereo
audio/video source to the secondary
inputs.
4. Connect the 631A’s stereo
audio/video outputs to your
equipment’s inputs.
5. Connect the furnished power
supply’s WH wire to the +12 VDC on
the 631A, and the BK wire to GND.
6. Apply AC power, the display will
show ‘OFF’ and ‘00:00’.
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Setting Clock
When power has been applied to the
631A, the display will come on showing
‘OFF’ and ‘00:00’.
To set the day of the week, hold down
the clock symbol ‘!!!!‘ button, and push
the ‘Day’ button until the proper day of
the week is set.
Then, while still holding down the clock
symbol button, push the ‘h+’ button until
the proper hour is set, and then push
the ‘m+’ button until the proper minut e
shows. Two models of timers may be
used. If the colon between the hour and
minutes stops blinking when the timer
button is pushed, the timer starts when
this button is released. If t he colon
continues to blink, then the timer starts
at 0 seconds when the ‘m+’ switch is
pushed.
Programming
There are 6 ‘ON’ and 6 ‘OFF’
programmable instructions for the 2x1
switch. Each press of the ‘Timer’ but t on
steps
through them, fr om 1 ‘ON’ to 6 ‘OFF’.
Note:
If an ‘ON’ or ‘OFF’ instruction both
occur at exactly the same time and day,
the ‘OFF’ instruction will be executed
and the ‘ON’ instruction will be ignored.
Deleting Programs
An instruction is erased by incrementing
the ‘h+’, ‘m+’, and ‘Day’ buttons to
restore the horizontal (null) lines.
Note:
Momentarily pressing the ‘Reset’ detent
will eliminate all program data from the
unit as well as eliminating the time
setting. The ‘Reset’ detent has the
same effect as removing all power
(including the battery) fr om the unit.
Operation
The 631A’s primary inputs are normally
connected to the common outputs. It
remains in this state until an ‘ON’
instruction is received from the tim er .
This will connect the secondary inputs to
the common until an ‘OFF’ instruction
from the timer is received.
To make one of the program
instructions active, enter the hour and
minutes desired with the ‘h+’ and ‘m+’
buttons.
Then press the ‘Day’ button. This
selects which of the individual days or
day groups you wish: Monday through
Friday, Saturday/Sun-day, or Monday
through Saturday. If you wish the
programmed in-struction t o be done
every day, do not enter a day selection.
When all instructions have been
entered, press the clock symbol which
will again display the time and day of
week.
Maintenance
The internal battery pro-vides a
minimum of eight hours of memory back
up. Replace the battery at least once a
year, or more often depending on
usage.
P/N 1340184
071906
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WARRANTY
Monroe Electronics, Inc. warrants to the owners, each instrument and sub-assembly
manufactured by them to be f r ee from defects in mater ial and workm anship for a period
of one year after shipment from factory. T his warrant y is applicable to t he or iginal
purchaser only.
Liability under this warranty is limited to service, adjustment or replacement of defective
parts (other than fuses or batteries) on any instrument or sub-assembly returned to t he
factory for this purpose, transportation charges prepaid.
This warranty does not apply to instruments or sub-assemblies subjected to abuse,
abnormal operating conditions, or unauthor ized repair or modification.
Since Monroe Electronics, Inc. has no control over conditions of use, no warranty is made,
or implied as to the suitability of our product for the customer's int ended use.
THE W ARRANTY SET FORTH IN THI S ARTICLE IS EXCLUSIVE AND IN LIEU O F ALL
OTHER WARRANTIES AND REPRESENTATI O NS, EXPRESS, IMPLIED OR
STATUTORY INCLUDI NG, BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. Except f or obligations expressly undertaken by
Monroe Electronics, in this warranty, Owner hereby waives and releases all rights, claims
and remedies with respect to any and all warranties, express, implied or statutor y
(including without limitation, the implied warrant ies of merchantability and fitness), and
including but without being limited to any obligation of Monroe Electronics with respect to
incidental or consequential damages, or dam ages for loss of use. No ag r eem ent or
understanding varying or extending the warranty will be binding upon Monroe Electronics
unless in writing signed by a duly authorized representative of Monroe Electronics.
In the event of a breach of the foregoing warranty, the liability of Monroe Electronics shall
be limited to repairing or replacing the non-conforming goods and/ or defective work, and
in accordance with the foregoing, Monroe Electronics shall not be liable for any other
damages, either direct or consequential.
RETURN TO FACTORY POLICY:
Materials returned to Monroe must have a Return Material Authorization number. T o
obtain a RMA number, contact our A/V Switching & Control Customer Service at 585-7652254 or fax 585-765-9330. Customers have 30 days to determine that the product
ordered fills their need and performs as described in Monroe’s literature. Units retu r ned
for approved repair or credit, must be in the original packaging including all parts and
paperwork plus be in very good physical condition. If not, the cust om er is billed the cost
to refurbish the unit and f or missing accessories and merchandise. No products may be
returned for exchange or credit after 12 months of the shipm ent dat e. Monroe reserves
the right to repair or replace units under warranty.
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