Comark C9551 User Manual download pdf (Page 9)

2. KEY FUNCTIONS

2.1 ON/OFF Key

Press once to switch on the instrument. Repeat to

switch off.

Holding down the key when switching on will display the

maximum pressure range of the instrument in PSI.

Holding down the key when switching off will display all

segments as a test.

2.2 ZERO Key

Press to zero the current readings on the display

to nullify any offsets caused by large temperature

variations. The instrument will retain the zero value in

memory even after switch off, so that the zero reading

will be displayed when the instrument is switched on

again. The zero key can be used whenever offsets

occur. Please note that pressing the zero key has no

effect whilst the instrument is in hold or record modes.

2.3 SCALE Key

Press to display the pressure measurement in each of

the different scales available. The selected scale unit

is retained in memory even after switch off, so that the

selected unit can be displayed when the instrument is

switched on again.

2.4 HOLD Key

Press to hold the displayed reading and press again to

resume measurement. The scale key will operate while

the instrument is in hold mode so that the held reading

can be displayed in different scales.

2.5 FILTER Key

Press to lter out transient readings. In lter mode the

instrument will average the readings taken over the

last 4 seconds (16 readings) to provide a more stable

reading on the display. Press the key again to resume

normal measurement.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 53 54

No comments

Comark C9551 User Manual Page 9