Delta OHM HD2307.0, Руководство по эксплуатации

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HD2307
- 6 -
V1.7
D ESCRI PTI ON OF TH E FUN CTI ON S
The keyboard of t he RTD Therm om et er Model H D 2 3 0 7 .0 is com posed of double-
funct ion keys. The funct ion on t he key is t he " m ain funct ion" , w hile t he one above t he
key is t he " secondary funct ion" .
When t he inst rum ent is in st andard m easur em ent m ode, t he m ain funct ion is act ive.
I n t he m enu, t he secondary funct ion is enabled; press t he
D ATA+ UN I T keys t oget her
t o open t he m enu.
The pressing of a key is accom panied by a short confirm at ion " beep" : a longer " beep"
sounds if t he wrong key is pressed. Each key specific funct ion is descr ibed in det ail
below.
This key has t wo funct ions:
•
ON / OFF: press t his k ey t o t urn t he inst rum ent on and off.
The t urning on enables all display segm ent s for a few seconds, st art s an Au t o- t e st
including t he det ect ion of t he probe connect ed t o t he input , and set s t he inst rum ent
ready for norm al m easurem ent .
•
AUTO/ OFF: t he Au t oPow e r Of f funct ion can be disabled by sim ult aneously
pressing t his key and t he " HOLD" key when t urning t he inst rum ent on.
During t urning on, should no probes be connect ed, t he " N O_ PRBE_ SER_ N UM "
m essage is displayed in t he line for sym bols for a few seconds, and in t he m ain line a
series of dashes appears while t he
" ERR"
m essage replaces t he t em perat ure.
When t he probe is insert ed int o a funct ioning inst rum ent , t he
" N EW _ PROB_ D ET"
( New probe det ect ed) m essage appears: as t he dat a are capt ured upon t urning t he
inst rum ent on, it is necessary t o t urn it off and on again.
Ca u t ion ! Replace t he probes when t he inst rum ent is off.
ON - OFF a n d AUTO- OFF