MORLEY ZX10Se Installation Manual download pdf (Page 45)

MORLEY-IAS ZX Fire Alarm Control Panels

Page 40 Document No. 996-175-000-3, Revision 3 Commissioning Manual

7.3 Crystal

 The bus operating frequency is precisely measured during manufacture. The measured value is

marked on the CPU board.

 This option allows th e memory so that the software

can empl

 To select ’ and the



e measured crystal frequency to be entered into th

oy an adjustment factor to maintain an accurate date and time clock.

the option, press ‘7 display shows:









 If the frequency is correct, pr

 If the freq ificant three digits

using the num

 Increasing the number by one will make the time clock lose two seconds per week. Decreasing the

number by one will give a gain of two seconds per week.

ess ‘Yes’ to return to the previous menu.

uency is not as marked on the CPU, press ‘No’ and enter the least-sign

ber keys.

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MORLEY ZX10Se Installation Manual Page 45