
1200DD Series Digital Data Display Manual
1200DD - 4-2
Revision 1.8
4.1.7. Time Keeping
Accuracy:
< 2 seconds per day with power on, no timecode present.
< 10 seconds / day with power removed.
Time Zone Offset:
0 to 23½ hours in ½ hour increments
Set with menu.
4.1.8. Backup Battery
Type:
CR-2032 3 volt lithium cell.
Life expectancy:
> 5 years
4.1.9. Electrical
Voltage:
12 VDC powered from auto ranging 100
240 VAC, 50/60 Hz adapter
Power:
15 Watts
Safety:
Complies with EU safety directives
EMI/RFI:
Complies with FCC Part 15 Class A regulations
Complies with EU EMC directive
4.1.10. Physical
Dimensions:
1200DD
:
17" W x 3.5" H x 2.75" D
(483 mm W x 90 mm H x 56 mm D)
1201DD
:
17" W x 1.75" H x 2.75" D
(483 mm W x 45 mm H x 56 mm D)
4.2. SERVICING INSTRUCTIONS
CAUTION – These servicing instructions are for use by qualified service
personnel only. To reduce risk of electric shock do not perform any servicing
instructions in this section of the manual unless you are qualified to do so.
4.2.1. Battery Replacement
The 1200DD series displays are fitted with a 3V Lithium battery type CR2032. This battery is used to
power non-volatile memory of some of the display’s parameters and time while power is removed from the
display. Before attempting to change the battery remove power from the 1200DD series display.
In order to replace the lithium battery you will need to remove the top cover of the display by removing the
Philips head screws on the top and one from the front panel. Use the following procedure to change the
battery.
1. The battery is located in a socket on the main circuit board.
2. Carefully remove the battery.
3. Replace with a new CR-2032 or equivalent 3 volt lithium cell. Note that the + is up on the battery.
4. Replace the top cover of the display.