Presys PC-507-IS Technical Manual page 19

BT shows battery voltage level; if the battery voltage level is low the display
shows LOW BATTERY and you need to recharge it.
Remember that you are only allowed to charge it in safe area.
LCD performs the setting of the display contrast using the arrow keys
. The last selection is saved by pressing the ENTER key.
P - Shows the sub-menu:
P1 and P2 - associates one pressure sensor (C1, C2, C3 or C4) to the
mnemonic P1 or P2. Then, reading of the pressure sensor associated to P1 or P2 is
performed after being enabled through IN or OUT menu.
UNITIN and UNITOUT - contain lists of all pressure engineering units which
can be shown in a measurement by the Calibrator. UNITIN defines the unit of the
pressure value shown in the upper line of the display (pressure chosen through IN
option of main menu) and UNITOUT is related to the pressure value shown in the
Battery Level Battery State
6.0 to 9.0 V
<6.0 V
 UNITIN
P1
normal
low LOW BATTERY
UNITOUT
P2 PARAM.
Display
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