Specifications

molbox™ RFM™ OPERATION AND MAINTENANCE MANUAL
© 1998-2007 DH Instruments, a Fluke Company Page 28
3.3.2 SOUNDS
molbox RFM is equipped with a variable frequency tone device to provide
audible feedback and alarms. Sounds are used for the following indications:
Valid key press
Brief beep. Choice between three frequencies or
NO sound is available (see Section 3.6.5.2).
Invalid key press
Descending two tone “blurp”. Choice of NO sound
is available (see Section 3.6.5.2).
Totalizing time complete
Three, 2 second beeps (see Section 3.4.6.4).
Purge time complete
Three, 2 second beeps (see Section 3.4.4.2).
Near overpressure limit
exceeded
Intermittent 1 second beeps (see Section 3.6.3).
Overpressure limit
exceeded
5 second high frequency beep (see Section 3.6.3).
3.3.3 SOFT [ON/OFF] KEY
molbox RFM is equipped with a SOFT [ON/OFF] key and indicator LED on the bottom left hand
corner of the front panel. The purpose of the SOFT ON/OFF key is to put molbox RFM into a
dormant mode in which the display is turned OFF but power is still supplied and
OVERPRESSURE functions are still active. When molbox RFM is ON, the ON/OFF indicator is
ON continuously.
When molbox RFM is SOFT OFF, the ON/OFF indicator blinks every 5 seconds.
When molbox RFM is SOFT OFF, receiving a remote command turns it ON.
When molbox RFM is SOFT OFF, an overpressure conditions turns it ON.
3.3.4 DIRECT FUNCTION KEYS SUMMARY
Local operation of molbox RFM is through the front panel 4 x 4 pressure sensitive keypad. To
minimize the use of multi-layered menu structures, the keypad numerical keys also provide
direct access to the most commonly used functions. The function accessed is labeled on the
bottom half of the each key. Direct function keys are active whenever molbox RFM is in its
MAIN run screen.
Table 8 summarizes the operation of the direct function keys. See
corresponding manual sections for full detail on each direct function.
It may be useful to keep a copy of Table 8, Summary of molbox RFM Direct Function Key
Operations, near the molbox RFM, especially when first becoming acquainted with its
operation.