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ZQ-2550M / ZQ-2750M

Both models. Strictly identical apart from the memory size on the display frame.

Running the Anniversary function in Italian language

Side view

Keyboard and display close-up

Top and back sides

Case opened. Same electronic card as the ZQ-2500 and ZQ-M201B except the 64 KB memory size (second 32 KB memory chip installed)
This card was made in october 1997

Exploded view

Both boxes

User manual

More Info

Information from the Sharp European site:

Your godchild's birthday, the alarm signal for that appointment with the boss, an overview of the tasks for the next day, the time in Melbourne - your Sharp organizer never forgets. Weighing no more than 103 grammes, it takes care of your difficult-to-remember data, appointments, addresses and memos. Even confidential data are kept safe with the secret password function.


Display 20 characters/4 lines
Capacity RAM 32 KB/64 KB
User memory approx. 30 KB/62 KB
Telephone-Mode approx. 810/1,680 entries with 16 characters + 12 digits
Schedule mode approx. 500/1,040 entries, 32 characters
Memo mode approx. 220/460 entries with max. 128 characters

Mixed entries from different operating modes restricted only by the upper capacity of the memory.
Characters per data set max. 512.
Alarms for schedule diary restricted only by the upper capacity of the memory.

Battery life approx. 1,200 hours (2 x CR-2032)
Memory protection battery approx. 5 years (1 x CR-2032)
Dimensions (WxDxH) 134 x 87 x 12.5 mm (WxDxH closed)
Weight approx. 103 g