Mastersync, Product manual -3, Gps communications – Acroprint MasterSync Wireless Synchronized Clock Systems User Manual
Page 3: Day/month/year, Gps time, Program mode led, Programming

GPS Communications
The GPS LED indicator located on the front of the transmitter will light up when the transmitter is
communicating with the GPS Receiver (See Figure A). The following characters indicate the status
of the GPS communications.
DISPLAY
“.oO”
There is communication with the GPS Receiver. Time is valid.
“.”
There is communication with the GPS Receiver.
“.o”
There is communication with the GPS Receiver. However, the time is not valid.
Day/Month/Year
Display will show the Day/Month/Year received from the GPS satellites.
GPS Time
Displays Atomic clock based time received from the GPS Receiver. Upon initial set-up, the display will start at
12:00:00. After the installation and connection of the GPS receiver, the LED will light and the time will change
to GPS based time.
Program Mode LED
You will use the Program mode for setting/changing specifications:
1. Channel #: Frequency you will operate on.
2. Time Zone
3. AM/PM: Format 12 or 24 hour operation. (Factory set to 12 hour)
4. DST (Factory set “ON”)
Programming
To enter program mode, push and hold down the Mode Button for 3 seconds or more.
Once in program mode, when you push the Mode Button, the program mode will be changed as follows:
CHANNEL
TIME ZONE (UTC OFFSET)
12/24 HOUR OPERATION
DST (ON OR OFF)
TIME/DAY/DATE
MasterSync
product manual -3
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