HAFFMANS RPU 352, RPU 353, RPC 80 RPC 50
2
RPU 352, RPU 353, RPC 80, RPC 50 Page 15 of 112
4 OPERATION
4.1 CONTROLS
There are four control switches arranged around the display screen. Operate the
switches by touching one end of the actuator onto the glass in the marked area.
Keep the actuator in position until you see a change in the display or the flashing
indicator.
The two top switches are used for the main control functions. They take a few
seconds to operate so that there is less chance of any accidental actions.
4.2 I/O SWITCH
The top left switch is the I/O (on/off) switch. Switch the instrument on by
activating this switch. Switch the instrument off by activating and holding this
switch for at least ten seconds. The display shows you what is happening.
Remove the actuator after the instrument switches off.
If there are any recorded files they will be saved during the time the instrument is
switched off.
You cannot switch the instrument off when the battery is charging from a Redpost
printer/charger unit or a Redpost battery charger.
4.3 INDICATOR
The small green lamp on the panel flashes once per second to show that the
instrument is operating. This lamp also flashes quickly five times to acknowledge
the action of either of the two top switches.
DISPLAY
Display
Flashing
“ON” indicator
Icon relates to
this switch
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